4  Bird to brag triumphantly (4)

 8  Commit adultery, as footballers often do (4,4)

 9  German loves to take in abstainer (4)

11 Occasionally grass will provide fuel (3)

12 Sinful acts reported in this decade (9)

13 Loudly thanks Scotsman for black stuff (6)

15 Crazily agrees to see musical (6)

18 Appoint planner, without hesitation, to brew tea (9)

19 Fiercest of enemies to start with (3)

20 Noisily chops wartime alliance (4)

21 Straddle the pick of the stable? (8)

22 African country got back zilch (4)

23 One who wants to stop a prominent headline (6)

 1  Liars misrepresented foreign currency (5)

 2  Joined labour (5,5)

 3  Research on a political party (4,2)

 5  Wine is nastier when shaken up (7)

 6  Drivers try to seduce police officer (5)

 7  Peg, drunkard, traps animal (6)

10 Capital dance (10)

14 Taking it easy in forest in Germany (7)

16 Prime side (6)

17 Maybe Canon arrived before artist (6)

18 Beer, we're told, once feared by young Americans (5)

19 If all ice's occasionally removed at the outset, a bird may be found (5)