1: Defusing timer incorrectly can lead to this! (13)
2: Girl hatches subterfuge in prison tower (11)
3: Tossing and turning, I wondered what the comforter might be made of (9)
4: Former husbands surrounding prettier performers (9)
5: Famous pianist's inclination for vocalizing (5)
7: In no state to contain a pregnant virgin? (3)
10: The man with lack of skill shows cruelty (13)
12: Goes through ere sixpence circulates (11)
14: Knowing in advance about 101 here (9)
15: Harsh taxes on certain salts (9)
19: Call unexpectedly, find Dad at home! (3,2)
20: Part of stair is erect (5)
22: Encourage horse led with direction. (3)