Musical terms

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Across
  1. 3. speed of the music
  2. 5. highest female voice
  3. 9. main orchestra
  4. 10. the sign of silence
Down
  1. 1. cancel the previous mark
  2. 2. wrote music
  3. 4. oval sign
  4. 6. the power of sound
  5. 7. stringed instrument
  6. 8. 4 or 5 lines