Cryptic crossword No 4,103

Across

1. Choir oddly freed of Rachmaninoff's opening passage (8)
2. Planned management of new team (5)
3. Demure, sultry features develop (6)
4. Essentially, sister needs own meal (4)
5. Born with testicle? (10)
6. Very cool wave (10)
7. Lump originally noticed on daughter's elbow (4)
8. Might these give low profits? (4,4)
9. One knocking appropriate broadcast (6)
10. Online voice contest (5)
11. Boating, at first changing direction and tacking (7)
12. Blimey! Half-cut costermonger injecting daft idiot's drugs (15)
13. Grafting writer dropped from coach's project on past French filmmaker (15)
14. Sow setter's lettuce? (7)

Down

1. Unconventional art with Emin's dress (7)
2. Shag and sleep (3)
3. Wrongly cites crap hobbies (9)
4. Vain consultant's ridiculous prescriptions? (15)
5. Old partners went Dutch in interim (11)
6. Condition of special friend cycling across the top of Ohio (7)
7. Least deserving organisation wrote hits for a change (11)
8. Finish being upset in Hackney: maybe hormonal? (9)
9. Plain against pridefulness: surrender! (5,2)
10. Excavated dreg holding everything you need (7)
11. Visual featured in illicit political U-turn (5)
12. President dropped from Japanese moral code makes a promise (1,2)
13. American mass held in Sanctum, Oregon (5)