More sub catagories:

• Piano (+)
• Cembalo (+)
• Organ (+)
• Acccordion
  • Accordion solo (45)
  • Accordions (9)
  • Accordion and other Instruments (74)
• Drums and Percussion (+)
• Violin (+)
  • Violin solo (77)
  • Violin, two or more (33)
  • Violin and Piano (66)
  • Violin and other Instruments (131)
• Viola (+)
  • Viola solo (23)
  • Violas (5)
  • Viola and Piano or Cembalo (16)
  • Viola and other Instruments (71)
• Violoncello (+)
  • Cello solo (38)
  • Celli (10)
  • Cello and Piano (35)
  • Cello and other Instruments (145)
• Double Bass (+)
• Harp (+)
• Guitar (+)
  • Guitar solo (101)
  • Guitars (48)
  • Guitar and other Instruments (102)
• Mandolin (+)
• Balalaika and piano (3)
• Recorder (+)
  • Recorder, solo and several (17)
  • Recorder and Piano (7)
  • Recorder and other Instruments (15)
• Flute (+)
  • Flute, solo and several (97)
  • Flute and Piano (23)
  • Flute and other Instruments (132)
• Oboe (+)
• English Horn (9)
• Clarinet (+)
  • Clarinet solo (31)
  • Clarinets (17)
  • Clarinet and Piano (19)
  • Clarinet and other Instruments (96)
• Saxophon (+)
• Bassoon (+)
  • Bassoon, solo and several (18)
  • Bassoon and Piano (9)
  • Bassoon and other Instruments (20)
• Horn (+)
  • Horn, solo and several (10)
  • Horn and Piano (3)
  • Horn and other Instruments (15)
• Trumpet (+)
• Trombone (+)
• Baritone (2)
• Flugelhorn (2)
• Tuba (+)
  • Tuba solo (9)
  • Tubas (1)
  • Tuba and other Instruments (12)
• Non-European instruments (33)
• Vocals (+)
• Choir (+)
  • Mixed Choir a capella (100)
  • Male Choir (6)
  • Female Choir (25)
  • Childern's Choir (31)
  • Choir and Piano (48)
  • Choir and other Instruments (65)
• Chamber Music - Strings (+)
• Chamber Music - Wind Player (+)
• Chamber Music - Mixed Cast (+)
  • mixed Cast, Trio (127)
  • mixed Cast, Quartet (108)
  • mixed Cast, Quintet (109)
  • mixed Cast, larger (391)