2: Spend too much time on the track where powerlines are frequently found. (4-5)
3: Arenas almost filling with the hooter (5)
4: Butcher shop's opening to sounds of hilarity (9)
5: Number One in facetiousness (3)
6: Anchors in peat bogs (5)
7: Ministers ordain art evil? I doctor a reversal (13)
8: Free sex, lips in beer; it's beyond words (13)
9: Aroused with short tutu, mesmeric midsection, and perfume (9)
12: ESP school worried ancient dramatist (9)
14: This behaviour causes sin! (9)
16: Deep dirge played for one of unimpeachable heritage (9)
19: Squirrel with a fuzzy caterpillar, say? (5)
20: Pick a wrong angle (5)
22: Sounds like a bright child (3).