Cryptic crossword No 3,403

Across

1. London club hosts backup, not quite Elbow (7)
2. Describing Bordeaux sounds like excellence (7)
3. Packed as required (2,4)
4. Mother got here safely, made an appearance. (7)
5. Merely removing head can be mean (5)
6. Exotic trip finds capsized waves made this (9)
7. Beginners snow knowledge is really useful now of course (3,3)
8. Perform again, old model returned making comeback (5,2)
9. Odd veneer covering politician or ruler (7)
10. Values without Tory discipline (7)
11. Acclimatised as per one in order (3,2,3,5)
12. Spooner's thorny eyesore can't be seen here (5,4)
13. Sounds like a rough beast (5)

Down

1. Optimists live here? (2,4)
2. Give duck to queen in a shower? (6)
3. Overwhelm in German and eat bananas (8)
4. Showing the pressure, is nothing at stake? (6)
5. Sailor first on these lands (10)
6. Hound me if from Moscow (3,6)
7. Talk of Ray taking on English race from the south. (6)
8. Leaks from below to cause issue (4)
9. Lion gobbled up Tim at one end (10)
10. Get appetite when end of course is changed (6)
11. Church in charge of fashion (4)
12. They go round and drive cats to eat horrible mash loudly. (9)
13. Ruled out Kendrick in audition for The Headscarf (8)
14. Copper said goodbye (3,3)
15. Unusual rear? Very unusual! (4)
16. Work forwards and backwards with colleague (4)