6  12, 28, 23, 29... why, by the sound of it, it's perfectly good! (5)

 9  The dictator's 16, 29, 29 down? (3)

10 Gathered 22, 29, 28, 12 to craft this shoe (4)

11 Support half of 1 having a change of heart (4)

12 My blooming nice little feet (3)

13 Live in revolutionary times (3)

17 Metal bed contains second rate aluminium (6)

18 Shrinks from Karenina series on the radio (8)

19 Coded call to leader in charge is intercepted by president (7)

25 Maternal/paternal arrangement (8)

27 Prompt secret agent to grab 23 from behind (6)

28 Need to pay for love while on vacation (3)

29 Measure the limit for legal cover (3)

30 Find a solution to the second half of 1 using binary substitution (4)

33 Rope is made of 22, 28, 13 and 23, so we're told (4)

34 Murmur audibly: 22 + 2 x 28 (3)

35 Register the sound of 22 and 30 (5)

36 12 chanted in a high voice with enthusiasm (8)

 2  Old learners to clean up after first sign of red herring (7)

 3  Understand, say, 23, 16 and 12 (3)

 4  Target alternative dissident (8)

 5  Put one across 14, then 16, then 23, in a word (3)

 6  12, 29, 28, 13 and 16 are called out by a woman (6)

 7  Setter maybe called out 23, 28, 12 (3)

 8  Pants audibly for what reason? Breasts! (1-6)

14 Around an unknown island (3)

15 Might an East European dance around it? (7)

16 Finally renovate the old centre (3)

20 Use a utensil to protect (8)

21 Transport policeman, a conservative at heart (7)

22 Start to search each ocean (3)

23 English flower from French sweetheart (3)

24 Not quite full respect given to a novice officer (7)

26 Smash another watch then pick up 14 (6)

31 Swimmer's found not in the 22, but in 14, 28, 16 apparently (3)

32 Shout 29, 28, 12 and get wood (3)

33 Swimmer that's found not just in the 22, but in 22, 28 and 23, so they say (3)