1: Follow south for lecture (5)
2: Mink, for one, may fly when theres trouble (3)
3: No one told sister (3)
4: Runner or dramatist in play (13)
5: Support sign for subordinates (11)
6: Skill is extremely tangible for a performer (7)
7: Perhaps men sit and eat in a cafe (9)
10: Scenery has to get down by starting 12-across (7,6)
14: Crazy to clean sons in awful mess (11)
16: Everlasting ringing of changes, outside inside, upside down (9)
18: Closest home receives attention (7)
20: The time before the first woman (3)
23: Unscripted part for head librarian (2,3)
26: Vet theatre opening 8-down (3)
27: Neither's partner participated in an orchestra (3)