Related Clues:
- Schubert composition
- Mendelssohn wrote a notable one at age 16
- Group of winds
- Largish musical combo
- Madrigal group
- 63-Across minus one
- Checkerboard rows, e.g.
- The kids in "Eight Is Enough," e.g.
- Group of musicians
- Tetrad times two
- Lucky musical group?
- Santa's reindeer, for example
- Big Dipper, starwise
- Composition for eight voices
- Certain chamber group