1: Envision dazed magi on the brink of enlightenment (5)
4: Disillusioned with the tune not being broadcast (3,3,3)
8: Arcking shot from Bill O'Brien (3)
9: Support sign for subordinates (11)
12: Its a firm, small lettuce (3)
14: Returning, some felt it necessary to provide grounds for legal claims (7)
15: Stu undressed in front of every tutor (5)
17: Strange nectars induce dreamlike states. (7)
19: Ignore the first of itineraries for excursions (6)
20: Girl leaving in the morning from America (5)
22: Like a big cat, snaky fish consumes Spanish toddler (7)
26: A properly run lottery might be a complete success (1,5,5)
27: Chain some; cuff objectors (3)
28: Call to drink like feeding ducks? (7,2)
29: Flare for clean-up time (5)