1: Group of merchants discussed gold plate (5)
2: Girl hangs around artists' quarter for something to get tanked with? (7)
3: Instrument on top of tree or shrub (5)
4: Screams Yes! around line 50 (5)
5: Host seems clever, off and on (5)
6: Acknowledging access (9)
7: Diverting a dupe with wrong input (7)
13: Woman losing head after another fall (9)
15: Empty pail beneath sack (7)
17: Dislikes laughter set-up (5)
18: Superficial passage stuck into pig (7)
20: Entertain one of nine daughters of Mnemosyne (5)
21: Laid off, breadwinner's starting to wing it (2-3)
23: Accidentally unsex group with ties (5)