Cryptic crossword No 2,976

Across

1. Subject holding focus of cartographers is one of a pair of parallel lines? (6)
2. Soup, sesame prawn starters and a bit of hot & sour soup provide essential element for health (10)
3. Exposing bionic crime by a bit of gamesmanship is exciting (8)
4. Singing sex symbol? Flipping ride her, baby! (6,5)
5. Request that follows sex when you have it? (6)
6. Musicians represented in Beethoven's emblem (8)
7. Tag giraffe that's lost and waiting at the centre (8)
8. Spin sample of Lil Ella rapping describing sleigh tracks in the snow (8)
9. Sweet sounding girl in song by 15a (6)
10. Playing AND working (6)
11. Leading character on screen, television and radio?! (4)
12. Bandits' leader mounts filly and holds up a train? (10)
13. Horse harness spun around apprentice's head (4)

Down

1. Reps reform cast, making musicians maybe? (10)
2. List Romans' terrible misdemeanours (6,4)
3. Get away with Versace samples every second (6)
4. "Ugly haircut!" could be heard from the bell tower (5,3)
5. Heads around Ireland for Whiskey and Banshees (7)
6. The sure thing (8,7)
7. Dish out mulled wine perhaps including a nip of absinthe for Twelfth Night? (4)
8. Verbally abuse and badly cheek about middle of trilogy (6)
9. Extra in Manchester secures Tom Cruise movie (4,3)
10. Rumour our lad is German pyromaniac (8)
11. Up tempo cast (4)
12. Spy captures student that's with a group behind "Atomic" release (7)
13. Hot air from those people protecting Republican and American Liberal (7)