More sub catagories:

• Piano (+)
• Cembalo (+)
  • Cembalo solo (7)
  • Cembalo and other Instruments (6)
• Organ (+)
  • Organ solo (19)
  • Organ and other Instruments (11)
• Acccordion (+)
  • Accordion solo (16)
  • Accordions (2)
  • Accordion and other Instruments (23)
• Drums and Percussion (+)
• Violin (+)
  • Violin solo (30)
  • Violin, two or more (18)
  • Violin and Piano (36)
  • Violin and other Instruments (39)
• Viola (+)
  • Viola solo (6)
  • Violas (1)
  • Viola and Piano or Cembalo (5)
  • Viola and other Instruments (23)
• Violoncello (+)
  • Cello solo (12)
  • Celli (2)
  • Cello and Piano (6)
  • Cello and other Instruments (39)
• Double Bass (+)
• Harp (+)
  • Harp solo and two Harps (4)
  • Harp and other Instruments (7)
• Guitar (+)
  • Guitar solo (28)
  • Guitars (6)
  • Guitar and other Instruments (24)
• Mandolin (+)
  • Mandolin and Piano or Cembalo (1)
• Recorder
  • Recorder, solo and several (3)
  • Recorder and Piano (4)
  • Recorder and other Instruments (5)
• Flute (+)
  • Flute, solo and several (14)
  • Flute and Piano (4)
  • Flute and other Instruments (29)
• Oboe (+)
  • Oboe solo (4)
  • Oboe and other Instruments (7)
• English Horn (3)
• Clarinet (+)
  • Clarinet solo (10)
  • Clarinets (4)
  • Clarinet and Piano (4)
  • Clarinet and other Instruments (19)
• Saxophon (+)
• Bassoon (+)
  • Bassoon, solo and several (5)
  • Bassoon and Piano (6)
  • Bassoon and other Instruments (6)
• Horn (+)
  • Horn, solo and several (3)
  • Horn and Piano (1)
  • Horn and other Instruments (3)
• Trumpet (+)
  • Trumpet and Piano (2)
  • Trumpet quartet (1)
  • Trumpet and other Instruments (10)
• Trombone (+)
  • Trombone, solo and several (5)
  • Trombone and other Instruments (8)
• Tuba (+)
  • Tuba solo (3)
  • Tubas (1)
  • Tuba and other Instruments (9)
• Non-European instruments (8)
• Vocals (+)
  • Vocals solo (8)
  • Vocals, polyphonic a capella (7)
  • Vocals and Piano (60)
  • Vocals and Guitar (21)
  • Vocals and other Instruments (31)
  • Voices and Instrument (2)
  • Speaker and Piano (2)
• Choir (+)
  • Mixed Choir a capella (56)
  • Male Choir (2)
  • Female Choir (14)
  • Childern's Choir (28)
  • Choir and Piano (44)
  • Choir and other Instruments (22)
• Chamber Music - Strings (+)
  • Piano-Trio (11)
  • Chamber Music Strings, Trio (5)
  • String quartet (37)
  • Chamber Music - Strings, larger Cast (13)
• Chamber Music - Wind Player (+)
  • Chamber Music Wind Player, Trio (5)
  • Chamber Music Wind Player, Quartet (7)
  • Chamber Music - Wind Player, Quintet (12)
• Chamber Music - Mixed Cast (+)
  • mixed Cast, Trio (17)
  • mixed Cast, Quartet (21)
  • mixed Cast, Quintet (12)
  • mixed Cast, larger (56)