Cryptic crossword No 2,840

Across

1. Vicar's habit to keep calm and carry on (4)
2. Lyric about the Italian in casual shoes (you'll see them in a while) (10)
3. Predestination fan wants Grease on a register (8)
4. Reject everything in day one broadcast (8)
5. Hasten labour to speed of light in home - outstanding (6)
6. Harsh cry, sound made by hounds about right? (4)
7. Old spouses recall date, cuddling, kiss (4)
8. Help at Christmas, sister included (6)
9. Examined by prodding carelessly at apple density (8)
10. Inadequate experience swallowing one vitamin then another (6)
11. Torte made for wet carnivore (5)
12. Setter's back and takes two seconds to get a cocktail (6)
13. Hot sauce? It bores spy (4)
14. Brought back little sleep in summer for endangered creature (3,5)
15. Individual depleted but innately hard cracks on (10)

Down

1. Bolt turns up to run (4)
2. Dearer going round Tesco IRL (8)
3. Draw badly (small infants do this) (6)
4. Harry loaned me Beyoncé album (8)
5. Admitted to boss I'd led coup, made sideways move (6)
6. Spelling contests where letters are heard (4)
7. Flamboyant lighting worker hugged by Imrie leaving a TV show (10)
8. Choose voice to conceal cold mood (8)
9. Mischievous two about, fairly quiet then quiet (6)
10. Sacked journalist after a vote (4)
11. I riot badly, getting caught and put inside - loss unusual for legal advisors (10)
12. Wet garden on Devon river rising (5)
13. Jewellery made from Gold Cup, say, lost in wager (8)
14. Magician gets storm in a teacup to end early: "stop exploding!" (6)
15. Arrow - (4)