A Bavarian declaration of love
arranged for big band (and vocals).
Erwin Jahreis translates the soulful ballad
into an atmospheric musical piece.
Key: F major
Grade: 3
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
A Bavarian declaration of love
arranged for concert band (and vocals).
Erwin Jahreis translates the soulful ballad
into an atmospheric musical piece.
Key: F major
Grade: 3
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Mätropolis and DJ Aaron launch the RAKETE
and ignite a real party firework display!
Catchy chorus – pure energy – ready for the countdown?
Grade: 2-3
Arrangement: Michael Stockmann
Big Band (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Mätropolis and DJ Aaron launch the RAKETE
and ignite a real party firework display!
Catchy chorus – pure energy – ready for the Countdown?
Grade: 2-3
Arrangement: Michael Stockmann
Concert Music (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
Wirtshausmusik for accordion - Volume 24
Mood, fun and cheeky songs in easy to
moderate movement for accordion and vocals.
Content:
Goldene Heimat
Alpengruß (Marsch)
Aus Böhmen kommt die Musik
Bierlaterne
Das Eichsfeldlied
Der Mond hält seine Wacht
Du nur du allein (Über den Wellen)
Du, du liegst mir im Herzen
Perlesreuter Marsch
Fichtelgebirgspolka
Mir san vom Woid dahoam (Forest Hills)
Mit meiner Glatz'n schau i super aus
Sauerkraut und Buttermilch
Schutzengel (Engelbewaarder)
Spaghetti Polonaise
Wo der Wildbach rauscht
Des Jägers Abschied
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
After the phenomenal success of the original hit by Wolfgang Petry,
the iconic track is back – reimagined by Die Draufgänger and Pietro Basile
in a vibrant, feel-good version that’s already being hailed as
a hot contender for the summer hit of 2025.
Arrangement: Marc Redwis
Key: E flat major
Level: 3
Bigband (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
After the phenomenal success of the original hit by Wolfgang Petry,
the iconic track is back – reimagined by Die Draufgänger and Pietro Basile
in a vibrant, feel-good version that’s already being hailed as
a hot contender for the summer hit of 2025.
Arrangement: Marc Redwis
Key: E flat major
Level: 3
Concert Band (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Saxophones, trumpets, and a vibrant big band
blend together to create a soulful tapestry of sound.
Carried by a touch of Southeast Asian flair,
a familiar melody unfolds one that is both moving and deeply pleasing.
A musical dream that lingers.
Key: F major / A-flat major
Level: 3+
Big band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Saxophones, trumpets, and a richly colored wind orchestra
blend together to create an emotive tapestry of sound.
Carried by a touch of Southeast Asian flair,
a familiar melody unfolds one that is both touching and very pleasing.
A musical dream that lingers.
Key: F major / A-flat major
Level: 3+
Concert Band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
from the repertoire of the Marktbreiter Musikanten
Arrangement: Peter Schad
Key: E-flat major
Grade: 2-3
Concert band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
from the repertoire of the Marktbreiter Musikanten
Arrangement: Peter Schad
Key: E-flat major
Grade: 2-3
Small concert band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
with a Dixie swing section in a rewarding arrangement by
Erwin Jahreis
Ideal for birthday serenades, concerts, or as a
musical surprise with show effect!
Key: E-flat/F/B-flat major
Style: Swing
Strength: 3-4
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
with a Dixie swing section in a rewarding arrangement by
Erwin Jahreis.
Ideal for birthday serenades, concerts, or as a
musical surprise with show effect!
Key: E-flat/F/B-flat major
Style: Swing
Strength: 3-4
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
A cozy polka by Tommy Saliger,
which musically expresses our passion and love for music.
The trio can of course be sung.
Arrangement: Erwin Jahreis
Lyrics: Kati Schubert
Grade: 3
Key: A-flat major to D-flat Major
Concert band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
A cozy polka by Tommy Saliger,
which musically expresses our passion and love for music.
The trio can of course be sung along to.
Arrangement: Erwin Jahreis
Lyrics: Kati Schubert
Grade: 3
Key: A-flat major to D-flat major
Small concert band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
The polka "Auf unsere Freundschaft" by Tommy Saliger,
arranged by Freek Mestrini, celebrates community,
joie de vivre, and genuine camaraderie among musicians.
Grade: 3
Key: E-flat major to A-flat Major
Concert band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
The polka “Auf unsere Freundschaft” by Tommy Saliger,
arranged by Freek Mestrini, celebrates community,
joie de vivre, and genuine camaraderie among musicians.
Grade: 3
Key: E-flat major to A-flat major
Small concert band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Schwarze Natascha by Peter Wackel
Editing: Julius Flott
Grade: 2-3
Key: B-flat-major
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
From the repertoire of the Perlesreuter Musikanten:
Blasmusik bleibt immer Trumpf
Polka (with vocals)
Music: Tommy Saliger
Lyrics: Heidi Nestel
Arrangement: Freek Mestrini
Grade: 2-3
Keys: A-flat major to D-flat major
A4 format
Edition for Concert Band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
From the repertoire of the Perlesreuter Musikanten:
Blasmusik bleibt immer Trumpf
Polka for small concert band (with vocals)
Music: Tommy Saliger
Lyrics: Heidi Nestel
Arrangement: Freek Mestrini
Grade: 2-3
Keys: A-flat major to D-flat major
A4 format
Edition: Small Concert Band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
Robbie Williams' mega hit, which is back in the spotlight thanks to his
autobiographical film ‘Better Man’.
The arrangement offers variable performance Options:
- as an instrumental piece only
- as a solo piece for tenor saxophone or trombone
- as a vocal piece with Bigband
Key: E flat major
Level: 3+
Arrangement: Erwin Jahreis
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
Robbie Williams' mega hit, which is back in the spotlight thanks to his
autobiographical film ‘Better Man’.
The arrangement offers variable performance options:
- as an instrumental piece only
- as a solo piece for tenor saxophone, tenor horn, trombone or baritone
- as a vocal piece with brass band music
Key: E flat major
Level: 3+
Arrangement: Erwin Jahreis
Concert Band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Grade: 2-3
Arrangement: Erwin Jahreis
Small Concert Band (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Grade: 2-3
Arrangement: Erwin Jahreis
Big Band (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Good vibes upstairs – good vibes downstairs!
The super interactive hit by GroßstadtEngel
gets everything moving...
Sing along, dance along, celebrate along!
Grade: 2-3
Key: G minor
Arrangement: Erwin Jahreis
Combo (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Good vibes above – good vibes below!
The super interactive hit by GroßstadtEngel
simply gets everything moving...
Sing along, dance along, celebrate along!
Grade: 2-3
A flat major
Arrangement: Michael Wolf
Edition for marching band in Ces/Fes
NOT compatible with Concert Band / Bigband
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Good vibes above – good vibes below!
The super interactive hit by GroßstadtEngel
simply gets everything moving...
Sing along, dance along, celebrate along!
Grade: 2-3
B flat major
Arrangement: Michael Wolf
Edition for marching band in Ces/Fes
Compatible with Concert Band / Bigband
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Oben gute Laune - unten gute Laune!
The super interactive hit by GroßstadtEngel
gets everything moving...
Sing along, dance along, celebrate along!
Grade: 2-3
Key: G minor
Single edition for vocals, piano, keyboard with accordion
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
When "Bella Napoli" plays, even the pasta starts to dance...
Dream yourself away to the coast of italy
with Roy Bianco and the Abbrunzati Boys.
- Level: 2-3
- Arrangement: Erwin Jahreis
Edition for Bigband
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
When "Bella Napoli" plays, even the pasta starts to dance...
Dream yourself away to the coast of italy
with Roy Bianco and the Abbrunzati Boys.
Level: 2-3
Arrangement: Erwin Jahreis
Edition for Concert Band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Who can resist these cheerful, musical vibes?
Vincent Gross, together with pop legend Olaf the Pinball
with ‘Drinking Wine Feeling Fine’, a song that immediately
invites you to sing and dance along...
Despite a 50-year age difference, they are united by their love of music -
and in 2025 they celebrate a real pop anthem with their mood boosting hit.
Arrangement:Erwin Jahreis.
Key: A flat major and B flat major
Level: 2-3
Edition for Concert Band (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Küss mich halt mich lieb mich - Ella Endlich
The classic for all lovers and well suited to
musical framing of weddings.
Small Concert band with vocals or instrumental
Arrangement: Erwin Jahreis
Key: B major
Grade: 3
Edition for Small Concert Band
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
The new Erwin Jahreis arrangement of the
well-known “Winter Wonderland” brings
a breath of fresh air to your Christmas concert!
With sonorous elegance and light Latin
rhythms, this classic is transformed
into a swinging snowstorm...
Key: E-flat and F major
Big band (with vocals, English)
Grade: 3-4
Can also be performed with a mixed Choir.
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
The new Erwin Jahreis arrangement of the
well-known “Winter Wonderland” brings
a breath of fresh air to your Christmas concert!
With sonorous elegance and light Latin
rhythms, this classic is transformed
into a swinging snowstorm...
Key: E-flat and F Major
Concert Band (with vocals, English)
Grade: 3-4
Can also be performed with a mixed Choir.
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
"Guten Abend, schön Abend, es weihnachtet schon",
is a beautiful, peaceful Christmas tune
from Carinthia that will lend your Advent and Christmas concert a
particularly atmospheric and festive mood.
Music & lyrics: Traditional
Arrangement: Karl Michael Wolf
Key: B flat major
Grade: 2
Concert band (with vocals)
Parts format: A5
Score format: A4
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
“Guten Abend, schön Abend, es weihnachtet schon”
is a beautiful, peaceful Christmas tune
from Carinthia that will lend your Advent and Christmas concert a
particularly atmospheric and festive mood.
Music & lyrics: Traditional
Arrangement: Karl Michael Wolf
Key: B flat major
Grade: 2
Large Concert Band (with vocals)
Parts format: A5
Score format: A4
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
“Guten Abend, schön Abend, es weihnachtet schon”
is a beautiful, peaceful Christmas tune
from Carinthia that will lend your Advent and Christmas concert a
particularly atmospheric and festive mood.
Music & lyrics: Traditional
Arrangement: Karl Michael Wolf
Key: B flat major
Grade: 2
Small Concert Band (with vocals)
Parts format: A5
Score format: A4
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
“Guten Abend, schön Abend, es weihnachtet schon” (Good evening, beautiful evening, Christmas is coming)
is a beautiful, peaceful Christmas melody
from Carinthia, which is also very well suited for youth wind ensembles.
For variable wind ensemble
Format of parts: A5
Format of score: A4
Arrangement: Karl Michael Wolf
Key: B flat major
Grade: 1+
For variable 5-part arrangement:
Score in C
1st part in B
1st part in C
1st part high C
1st part in E flat
2nd part in B
2nd part in C
2nd part in E flat
3rd part in B
3rd part in C
3rd part in E-flat
3rd part in F
4th part in B-flat
4th part in C
4th part in low E-flat
5th part in C
5th part in B-flat
Lyrics
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
The new Erwin Jahreis arrangement of the
well-known “Winter Wonderland” brings
a breath of fresh air to your Christmas concert!
With sonorous elegance and light Latin
rhythms, this classic is transformed
into a swinging snowstorm...
Key: E-flat and F major
Grade: 3-4
Conductor's score for mixed choir with piano accompaniment.
Can also be performed with concert band or big band.
Only available in conjunction with vocal parts!
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
The new Erwin Jahreis arrangement of the
well-known “Winter Wonderland” brings
a breath of fresh air to your Christmas concert!
With sonorous elegance and light Latin rhythms,
this classic is transformed
into a swinging snowstorm...
Key: E-flat and F major
Grade: 3-4
Individual piano accompaniment part for mixed choir.
Can also be performed with concert band or big band.
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
The new Erwin Jahreis arrangement of the
well-known “Winter Wonderland” brings
a breath of fresh air to your Christmas concert!
With sonorous elegance and light Latin rhythms,
this classic is transformed
into a swinging snowstorm...
Key: E-flat and F major
Grade: 3-4
Mixed choir with piano accompaniment.
Can also be performed with concert band or big band.
Minimum purchase for vocal parts: 20 copies
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
When Schäfer Heinrich, Leo Lawine, and Florian Brandmeister
grab the mic together, one thing’s for sure:
The bar is on fire here!
With “Anne an der Theke”, they bring the perfect mix of heart, humor, and a tasty cold beer – an anthem for all the bartenders out there who serve more than just drinks...
Big band (with vocals)
Key: B flat major
Grade: 2-3
Arrangement: Michael Wolf
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
When Schäfer Heinrich, Leo Lawine, and Florian Brandmeister
grab the mic together, one thing’s for sure:
The bar is on fire here!
With “Anne an der Theke”, they bring the perfect mix of heart, humor, and a tasty cold beer – an anthem for all the bartenders out there who serve more than just drinks…
Concert Band (with vocals)
Key: B flat major
Grade: 2-3
Arrangement: Michael Wolf
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
When Schäfer Heinrich, Leo Lawine, and Florian Brandmeister
grab the mic together, one thing’s for sure:
The bar is on fire here!
With “Anne an der Theke”, they bring the perfect mix of heart, humor, and a tasty cold beer – an anthem for all the bartenders out there who serve more than just drinks...
Small Concert Band (with vocals)
Key: B flat major
Grade: 2-3
Arrangement: Michael Wolf
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Who can resist these cheerful, musical vibes?
Vincent Gross, together with pop legend Olaf the Pinball
with ‘Drinking Wine Feeling Fine’, a song that immediately
invites you to sing and dance along...
Despite a 50-year age difference, they are united by their love of music -
and in 2025 they celebrate a real pop anthem with their mood boosting hit.
Arrangement:Erwin Jahreis.
Key: A flat major and B flat major
Level: 2-3
Edition for Concert Band (with vocals)
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de
- Delivery as
Roger Whittaker's most famous songs
in a magnificent hit medley for big band (with vocals)
Tracks:
1. Eloisa (B flat major)
2. Ein bisschen Aroma (E flat major)
3. Albany (F major)
4. Abschied ist ein scharfes Schwert (B flat major)
5. Wenn es dich noch gibt (C major)
Arrangement: Erwin Jahreis
Grade: 3
Playing time: approx. 6:45 min
Manufacturer according to GPSR
Music-Service-Geiger e.K., Rodacher Str. 6, 96317 Kronach, Bayern, Deutschland, info@music-service-geiger.de, https://www.music-service-geiger.de