1: Sixpence for big cheese? (1.1.1.)
2: Couples posed for an intimate snapshot (5-2)
3: One asking for quiet guide (7)
4: Big Bird: 'Apologies--getting a late start' (5)
5: Children nicely holding back secret (5)
6: On the way with tureen, tripping over a section of orange (2,5)
7: Pitching ideas to yes men (7)
8: Instrument for beater caught with liquor (5,4)
13: Alto I somehow kept in the dark, back during interactive broadcasting (4,5)
14: Cronkite, Bradley, and Safer's first network (3)
15: Sprinted fleetly? (3)
16: Malady spoiled chorale (7)
17: Little singer returned, following band to total a hairy little mother with seating for one. (7)
18: A small vault is said to be round about the rail support (7)
19: Against that terrible, consuming war (7)
21: Father Brown's latest femme fatale (5)
22: Cycles within easy earshot (5)