Solve these clues to fill the grid.
- An efficient incentive (plural)
- 2 Across
- The pitch range of the highest female voice
- 4 Across
- A regular route for a sentry or policeman
- 7 Across
- A musical notation indicating the number of beats to a measure and kind of note that takes a beat
- 10 Across
- Something left after other parts have been taken away
- 13 Across
- Gradually decreasing in tempo
- 14 Across
- A notation representing the pitch and duration of a musical sound
- 15 Across
- Personnel who assist their superior in carrying out an assigned task
- 16 Across
- A gradually increasing tempo of music
- 1 Down
- A musical notation written on a staff indicating the pitch of the notes following it
- 3 Down
- A district of a city having some distinguishing character
- 5 Down
- All of something including all its component elements or parts
- 6 Down
- Keyboard instrument with black and white keys
- 8 Down
- The lowest part of the musical range
- 9 Down
- The speed at which a composition is to be played
- 11 Down
- Position ___ in a countable series of things
- 12 Down