10a) So-called head of tribe's ritual dancing (7) T???L??
12a) Steer requests about space in gym set out for climbing aids (6,5)
??Y?E? ??S??
16a) Divine inspiration! they secured old derelict shop (9) ??E?????Y
19a) Work in new hotel pool upset risky manoeuvre (4,3,4) ??O? ??? ????
27a) English poet's signature in pastoral poem? (7) ????G?E
All help greatly appreciated.