What's in a name?

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Across
  1. 2. Alpine
  2. 3. Surprise
  3. 6. Jupiter
  4. 10. Seasons, again
  5. 11. From My Life
  6. 12. Dante
  7. 13. Leningrad
  8. 15. Concord
  9. 16. Scottish
  10. 17. Archduke
Down
  1. 1. Organ
  2. 4. Pathetique (for many)
  3. 5. Titan
  4. 7. Seasons
  5. 8. American
  6. 9. Revolutionary
  7. 11. Trout
  8. 14. Four Temperaments