Weekend crossword

Saturday's weekend crossword...

Across

1 Started serving nearby drink (6)

4 Mysterious coteries difficult to understand (8)

9 Article dropped from extra decorative layer to an excessive degree (6)

10 One preserving body of yours truly in fancy marble! (8)

12 Dense and speedily following in large numbers (5,3,4)

15 Management course (9)

17 Wild koalas left out of city (5)

18 Could this composition be performed by four duets? (5)

19 Share land for private cultivation (9)

20 Being discerning, saw it was distinct first (5-7)

24 A weapon in catalogue spreading fear (8)

25 One took nothing to Rory struggling inside dry watercourse (6)

26 Vegetation growing beside oriental railway (8)

27 Greek character Desmond coming from Greek island (6)

Down

1 Dalmatian pudding (7,3)

2 Make better meal, tea or I revolt (10)

3 Duke and king accept drink from robot (5)

5 One of the last four potentially is fast in mile (12)

6 Carriage entrance (9)

7 White coat on eastern edge first (4)

8 French priest, junior cleric not occupied (4)

11 Against oil? Put this on the back of the chair (12)

13 State of mother or father? (10)

14 Hard to please quick one not starting offensive (10)

16 Can't let me remove ranchers (9)

21 One man or another, not egghead (5)

22 Heard drug report (4)

23 Summon young boy attending bride (4)