CAOS Cryptic Crossword #1

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Across
  1. 2. Fifth degree silly offence headlines (2)
  2. 4. Tram network sounds like small creature keeping time (9)
  3. 6. Government official is pretty quiet (2)
  4. 7. Martyr lost a year, goes back and stops at Didsbury (4)
  5. 11. Rehearse practically without a friend, but with energy (8)
  6. 12. Censored carbon blows up, increasing in volume (9)
  7. 15. Pool is back again (4)
  8. 16. Broken core hides extra piece (6)
  9. 17. Performance concern without prime number, time to end (7)
  10. 18. Low brass A, but backwards (4)
  11. 20. Deaf guy puts half a beetroot in a hot oven's first shelf, missing Attack On Titan (9)
  12. 21. Joining son at a solo recital (6)
  13. 22. Headless crest doesn't play (4)
  14. 25. Natalie says you are a loser and not sharp (7)
  15. 26. Heat after first break of Choir And Orchestra Society is unpredictable (5)
Down
  1. 1. Italian with sort of tape, or waving a stick (9)
  2. 2. Playing up and down protects reptiles (6)
  3. 3. Vocal part is a heartless total mix-up (4)
  4. 5. Ok, rake a mess to poorly cover rock (7)
  5. 6. Emmy said, assured without self destruction: 'I've got some notes' (7)
  6. 8. Plucked messy, greasy slice half way through Tico Tico (9)
  7. 9. Cassette tape makes high pitched whistle? (8)
  8. 10. Heir sounds partially guilty about twisting rat, pretending to play (3, 6)
  9. 13. Romeo and Topless Moses thrown by audience (5)
  10. 14. Violated, missed 2nd half with-in seconds, many bows? (6)
  11. 19. Almost a quarter with time for strings, perhaps (8)
  12. 20. Replacement turns around to go down Oxford Road (3)
  13. 23. Brass part cut short by President (5)
  14. 24. Composer sounds like he's returned (4)