Cryptic crossword No 3,732

Across

1. Old personal trainer in charge shows spirit in some measure (5)
2. Eroticism by partners in sin, firstly exercising safe sex (10)
3. Surprisingly, Dr No has love for musical form (5)
4. Pupil in excellent last play (9)
5. Nile gangs destroyed harvest (9)
6. Russian capital's first to know old prince's enthroned king (5)
7. Victim cried out for assistance (7)
8. Morecambe famously gets one over on us, like Heather (10)
9. Setter's declining revealed in CT scan? (7)
10. Take off from a strip in Gdansk immediately (4)
11. Ian Drury's initially introduced to perform special tracks (7)
12. Name given to novella after ending is changed? (4)
13. Restructuring our cash cows of old (7)
14. Failure from circuits in audio (5)
15. Plant in isle Swede cultivated (9)
16. Spector leaves 16d with a musical instrument (9)

Down

1. 16d appearing in fifth auditorium? (5)
2. Main theme in "Titanic" by cool composer? (7)
3. Check and release boy from remand prison reformed (9)
4. Ways to approach a stadium or arena? (7)
5. Works in musical performance I'm into loads (10)
6. New Zealander Te Kanawa loses right to take on principal character in Wanda (4)
7. Colourful singer embraces Royal groom (5)
8. Short race I almost lost going round bend is grossly unfair (10)
9. Fiendish South Africa knock seven bells out of openers in Indian cricket (7)
10. Goblin males backing music for one big band (9)
11. Money announced by former Russian high-flyer is for Asian residents (9)
12. Promiscuous partner at home possibly for delivery (9)
13. Cancel participating in round one (4)
14. US backtracked on 50% of loan for old Bolivian capital (5)
15. Asian waters are alas rough (4,3)
16. Poem about Grecian musical theatre (5)