弦楽四重奏

Jesus bleibet meine Freude BWV 147 [score]
Chorale from the Cantata No. 147 Heart and Mouth and Deed and Life

...called dusk II
for string quartet

3 Quartette op. 41 [set of parts]
for 2 Violins, Viola and Violoncello

Alt-Wiener Tanzweisen (String quartet with double bass, ad libitum)
Caprice viennois

Floraux
Tango

String Quartet No. 2 [set of parts]

String Quartet No. 2 [score]

Canto epico [score]
for String Quartet

Canto epico [set of parts]
for String Quartet

Happy Birthday [string quartet (double bass ad libitum)]
A Five-course Birthday Dinner

Träumerei op. 15/7 [string quartet (double bass ad libitum)]
from 'Scenes from Childhood'

4 Tangos

Fuchs, Du hast die Gans gestohlen [Double Bass ad lib.]
as Ludwig van Beethoven could (possibly) have composed it

Petite Suite
for String Quartet

String Quartet op. 29
'Divorce' · Scheidung

Tango (string quartet)
arranged for string quartet by Wolfgang Birtel (2010)

Summertime (string quartet (double bass ad libitum))
from Porgy and Bess

Patchwork
String Quartet No. 3

La Caleta
String Quartet No. 2

Fuchs, Du hast die Gans gestohlen [score and parts]
as Ludwig van Beethoven could (possibly) have composed it