1: Disillusioned with the tune not being broadcast (3,3,3)
5: They secure money for the government, so we hear (5)
10: Sadly curtail urge for land cultivation (11)
11: Bounder beheaded by slippery swimmer (3)
12: Attack raise with no return (3,4)
14: Mann's 'Death in Venice' Dorothy sent up (3)
15: Done any revision? It's dull (7)
17: Father married, and had his hands all over her. (5)
19: Send in the beer, Saint Peter (7)
21: Scale Ten after taxes (3)
22: Congressman Grant's adversary gobbles steak bone, getting stuffed (7)
23: What's left when you burn the tree (3)
25: Girl hatches subterfuge in prison tower (11)
27: Famous gardens said to move one to speak. (3)
29: Simple addition in cult film (4,5)