Cryptic crossword No 3,566

Across

1. River reflects star (4)
2. Changes impressions to include Frenchman after mean review (10)
3. Tchaikovsky and Prokofiev, say - two men with first symphonies (8)
4. Sense a poem translated will produce magic words (4,6)
5. Composer's unusual 'Unfinished' (4)
6. Uncle drained after concert and dance (5)
7. A dish or rather both being cooked (10)
8. Bluff about work by Joplin maybe (4)
9. Sailor melodies without right refrains (8)
10. Campaigners get fresh composition heard (10)
11. Composer arranged odd pieces (4)
12. Composer Lambert in performing tails (6)
13. Schubert's wonderful inventive mind initially to make e.g. Trout movement (4)
14. Composer tinkers with Roland (6)
15. Second party U-turn: might they be fools? (4)

Down

1. He betrays cool ex (8)
2. Firm forte, strong start to finish, is achieved with great effort (4-6)
3. Fruit/vegetable resistance (4)
4. Composer trims hour off Inferno (4)
5. Composer fighting duels around Italy (6)
6. Gaga picked up knock out (4)
7. Composer's regal medley (5)
8. Cover for organ pipes opened for three notes: it's rich and creamy (4,6)
9. Time lost in reveries in negotiations (10)
10. Composer's right to vocalise (6)
11. They're naughty but fairly quiet in Iceland (4)
12. Card game and a biscuit with Ginger (4)
13. Quiet old tender deceiver is eccentric (8)
14. Composer's near to having remixed covers (4)
15. Skipping opening and gavotte initially, Herreweghe works with first violins - yes, high and low (10)