Related Clues:
- Small choir, perhaps
- (Composition for) three performers
- Small ensemble
- Musical ensemble of eight
- Singing threesome
- Santa's reindeer, collectively
- Good-sized wedding band
- Group first to object about tweet oddly
- Month alien joined musical group?
- Some backing from the choir trebles for a small group
- Rock's ZZ Top is one
- The Jonas Brothers were one
- Three-piece band
- The Police, for one
- ELP, e.g