2: Wine and cheese brought back by Gershwin? (7)

6: On the canvas from third strike (3)

7: Broadway show's inane cast (5)

8: Grown-up kids' tender hearts god broke? (9)

11: Threefold test (5)

12: Gorilla taking head off at it's base! (3)

13: Certain number supporting most of move for dismissal (7)

1: Strap, though short, has hanger's heart (5)

2: Bumped into yours truly at junction (3).

3: Ballet producer - he'd a vigil choreographed (9)

4: Children nicely holding back secret (5)

5: Copy of top ten missing (3)

9: Taxi omitted going around gnome (5)

10: Reportedly viewed some of play (5)

11: Start reducing salt? (3)

12: Sounds like everything: a bore (3)