Related Clues:

• Disney's Dwarfs, e.g.
• Chamber group, maybe
• Musical composition
• Wedding band, maybe
• Beethoven's Opus 20, e.g.
• Musical work
• Deadly sins, e.g.
• Two trios and a soloist?
• The dwarfs, e.g.
• Singing group
• Beethoven work in E flat
• The Pleiades, e.g.
• Many a swing band
• The deadly sins, for example
• Octet minus one