The Summer Crossword: A Song for Everyone

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Across
  1. 2. Caregiver, or pandemic hero? (5)
  2. 5. Coleridge narrator (7)
  3. 7. Atomic-age diplomat, or type of cocktail? (7)
  4. 8. Freud's conscience (8)
  5. 11. Lie nobler (anagram) (9)
  6. 13. Bone missing in babies (7)
  7. 14. Song for a crossword-solver (11)
  8. 15. Timid (3)
  9. 19. Senior clergyman (6)
  10. 20. ____ of Sandwich (4)
  11. 21. Song for a professor (11)
Down
  1. 1. Song for a math student (11)
  2. 3. "My pleasure" (6)
  3. 4. What is to an MD, that is osteopathy is to a DO (9)
  4. 6. Leech, or Oscar-winning film? (4)
  5. 9. Joe Biden's occupation (10)
  6. 10. Killer whale (4)
  7. 12. Song for a badly-trained musician (9)
  8. 16. French greeting (5)
  9. 17. Unaccompanied (5)
  10. 18. Admit (to), with "up" (4)
  11. 22. Type of wave with very long wavelengths (5)