5  Drumming 12 initially omitted from band I get playing (7)

 9  Surprise - online retailer delivering on schedule at last (5)

10 Touching Nativity scene by third-rate artist (9)

11 Adjust wheels before time trial (4)

12 Bemused nobles are largely ignoring first pair of leaping 10 (6)

13 Social event runs out of ale (3)

15 With leader of ramblers departing, make certain to follow (5)

16 Colourless drink one's introduced to India (7)

19 Times leaving D. Mail's rival desolate (7)

20 Dancing 9 almost perfect (5)

23 Something taken from laying 6, round? (3)

24 Zoom wobble: meet without me (6)

26 Fixed fire alarm following evacuation of centre (4)

28 Terrible to-do - I was hugging Newton's tree (9)

29 A newly-wed wanting rector to suffer (5)

30 Attracts swallows and French 3 (7)

31 Lies about parties (7)

 1  Cover for 1 a beater hears regularly stirring? (4,4)

 2  They could hold pop back from milking 8 (7)

 3  Left wrapping on vintage gold 5 (4)

 4  Mass arrests over US spies left to consort with others (9)

 5  British try drinking during game (5)

 6  Lacking emotion? One summons it up when embracing prince (10)

 7  Big Dave announces himself thus - I stay inside, drunk (7)

 8  Fancy love's bypassed old man (6)

14 Dream about English Prime Minister upset with European restraint (10)

17 Suspect priest's consumed last butt of wine - I keep stocking up (9)

18 They install piping 11 drained, including useless odds and ends (8)

19 Like PCs to call round offering shot of felon's face (7)

21 Condition I caught in England on vacation (more than once) improved (7)

22 Phibs given something in Boots reversing confusion (4-2)

25 Arguments supporting introduction of calling 4 (5)

27 Swimming 7 avoiding Navy cutters (4)