Cryptic crossword No 3,877

Across

1. This composer has no clue! (9)
2. Clones on ecstasy smash kettle! (7)
3. Face face to face face off (5)
4. Yo! Abuse of Paul Simon, sir, is hardly liberal (14)
5. Things we inevitably miss! (7)
6. Marvel's Captain America's cold left splits Swamp Thing! (7)
7. Finish digesting light arrangement in the snug? (9)
8. Lake sings Runaway Train between two Oscars! (7)
9. Buttered footprints! (8)
10. Highfalutin' East Ender! (5)
11. No longer a throwaway dish? (6)
12. Rub erratic Icke the wrong way to no avail? (7,7)
13. State muppet jumps over fires in breaking news (6)
14. Fettle about fettle about... ponder! (8)

Down

1. Corbynistas on a roll! (8)
2. 8 harps on The Unwelcome Guest giving a Latin twist? (7,3,5)
3. Prokofiev's dancers! (5,6)
4. Singer will do over radio? (6)
5. Echo fire sale tie! (8)
6. Swift clodhoppers clock right angle! (5)
7. Piece of pub psychology? (3)
8. Greek character sits and reflects outside South East gallery (6)
9. Dropped sarcastic curveball! (3)
10. Called collect tipping New Orleans - Louisiana scramble! (3,5)
11. Lifts head off with tentacles! (5)
12. Advice to setter: get your ducks in order! (4,8,3)
13. Absolutely pants! (3,2,6)
14. Buddhists reincarnated as hamsters! (8)