Miss note during recording -- thus shut up! (8)
I believe the answer is:
closeted
'shut up' is the definition.
(I've seen this in another clue)
'miss note during recording thus' is the wordplay.
I cannot really see how this works, but
'miss' could be 'lose' (I've seen this in other clues) and 'lose' is found within the answer.
'note' could be 'te' (musical note) and 'te' is found within the answer.
'recording' could be 'cd' (type of recording) and 'cd' is found within the remaining letters.
No letters remain.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for closeted that I've seen before include "Cedes lot, being shut away" , "Concealed" , "Shut away for private talk" , "Do select (anag.)" , "Shut in small room" .)