Sir Lancelot

[teddybear484]

11d 'Excited' and cryptic 'Prickly Etxract of exciting lyrics' (6) T?N?L?
Also help with explanation of following cryptic clues:
19a COMPRESSOR - about to prepare room to hold cupboard for turbine component
1d CLOWN - Circus performer's cold and depressed at noon
7d CERTIFICATED - Authorised gambling certainty provided I boxed without resistance
Many Thanks

[shaneystar2]

Of exci(TING LY)rics

[Glaikityin]

Compressor. C(latin about)OM(press, another name for a cupboard or at least it is in Scotland)OR.OMOR, an anagram of room.
Clown.C for circus, low for depressed and n for noon.