1: Gradually reduce European Community requisitions for playback devices (4,9)
8: Very slow backtracking through formulaic algebra (7)
10: Sun god, after climbing once more, falls (7)
11: They secure money for the government, so we hear (5)
12: How to get around doing business, essentially (3)
14: Roosevelt's undergarment? (5)
15: I see marks on jumbled party favors (11)
16: Former name for joint audition (3)
18: Fish spawn upstream in little orifices (3)
19: Cereal vermin seized by superb 16-down (11)
21: Denim -- a genuine clothing icon (5)
23: Capture ten heading north (3)
24: German overwhelmed by naked touch (5)
25: Sibling rivalry's beginning - worry about it (7)
27: It's a plain pastry with a serving of raspberry and some light stuff (7)
28: My gal talking to Italian at the table? (5,8)