PROGRAM PUZZLER

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Across
  1. 2. misshapen pearl
  2. 5. Borodin's day job
  3. 7. Sibelius loved/hated him
  4. 8. Like John Lee but older, and with a cello
  5. 9. A generation before Wolfgang
  6. 10. His marriage was postponed
  7. 13. Judas' surname
Down
  1. 1. Mozart's hater
  2. 3. dabbled in chemistry
  3. 4. Gave voice to bears, lions, walruses and badgers
  4. 6. In the middle of John and Williams
  5. 10. Where Sibelius hung his hat
  6. 11. Killed Hyacinth
  7. 12. Sounds the same, different meaning though