Related Clues:
- Speaker's aids
- Music symbols
- English and Spanish, e.g.
- Brief letters
- Flagship product from 21-Down
- Explanatory material
- Scoring units
- What the starts of 17-, 34- and 61-Across are
- Do, re, mi, e.g.
- Writes down
- Do, re and mi, etc.
- Arpeggio components
- They're taken or passed in class
- Staff members, and what the circled letters in this puzzle represent
- Some scribbles