2: . . . or working with one group of stars (5)
3: or creates new mobile sound system (3,6)
4: Chatter about some pay-back (3)
5: Measure action to follow (5)
8: No right to secret desire (5)
9: Black gets closing party (5)
11: Neither's partner participated in an orchestra (3)
13: Now Elton heard California's big one (3)