Related Clues:
- See 21-Across
- Four duos
- String ensemble, maybe
- Santa's reindeer, e.g.
- Musical work
- Vocal ensemble, maybe
- Beethoven's '___ for Winds in E flat major'
- A cappella group, maybe
- Prime-time time
- ''Enough,'' in a sitcom title
- Noted Schubert piece in F major
- Two quartets side-by-side
- ''--- for Winds in E flat major'' (Beethoven)
- Pizza slices, often
- Ripken's number