Spectator 2537

[johnpiper]

13 D Dance like a sponge, or like another invertebrate (12)
41A Supports posh girl almost being enthralled by unlikely types? (10)
27A Experimental style i practise (9)
43A School mums in a spin after programme (12)
23A Wont it 14 maverick (9 hyphened) i think 14A is Mar
Your help would be appreciated before i go completely mental

[johnpiper]

thanks all
I am just not seeing this at all
Could someone give me a hint as to the theme and which of the unclued lights is the name of one of the people in the exchange?

[novalis]

19 down - Google Egg Punch cartoon November 1895