1: Singer Mel, not heartless, is suffering (7)
2: Challenged Ruby after district attorney (5)
3: Lackluster sex drive dogs one on wobbly pins (7)
4: Old pies thrown in sack (7)
5: Foresees a three iron, just as Cassandra did. (7, 6)
6: About fifty-one complaints - they're thought to be true (7)
7: Nick shouts - and theres trouble brewing! (3,5,2,3)
8: ...or stuffed with the alternative (5)
13: Again design rose float (7)
14: Hard to comprehend English version if scholars used Latin edition from the South initially (7)
15: Baby's things even discovered in past (7)
16: Doctor about to operate reflected carefully (5)
17: Requiring what sounds like massaging (7)
19: Leaders of South Korea in disgrace suffer slippages (5)