Do you hear what I hear?

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Across
  1. 1. jays & mockingbirds
  2. 6. can be flat or sharp or Liverpudlian
  3. 10. sounds like itself
  4. 11. sound of a toy horn
  5. 12. can be struck, plucked, and marked on a staff
  6. 13. the Iliad is an epic
  7. 15. Waits accused it being tipsy
Down
  1. 2. uttered in pleasure, irritation or pain
  2. 3. allegro for one
  3. 4. satyr’s instrument
  4. 5. a sound that smells bad
  5. 7. For drumming not for frying potato chips
  6. 8. Steven Hawkins’s speeches were compelling and
  7. 9. bored brits in posh houses do one of these to amuse each other
  8. 14. hold forth
  9. 15. Silvia, Dorothy, Anne, Edward, Percy & Rainer