1: Small songbirds destroyed mitt near diamond (7)
4: Unappealing environment for a snooze (3)
6: What's left when you burn the tree (3)
8: Upset expression of surprise follows failure of comic take-off (5)
10: Waterhouses partner slashes discounts (5,4)
11: Furious persons cry for the lure of the wilderness (4,2,3,4)
13: Tears as leading character in romance dies (5)
15: Spruce up top Spanish sable producer (7)
17: Electronic man swallowed spring (7)
18: Tart returns, filled with energy, to provide some special entertainment (5)
20: Secretly include railroad in family future (13)
22: Revealing depravity, Dick the highwayman does not finish playing duet (9)
24: First Lady's vocal projections (5)
25: Greek characters suggest dawn (3)
26: Going after the final piece of puzzle for a very long time (3)
27: Tide recedes in love, in this version. (7)