Screen rock legend holding his head in empty theatre (8)
I believe the answer is:
televise
'screen' is the definition.
(I've seen this before)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for televise that I've seen before include "Put on TV (S, not Z)" , "Air, broadcast" , "Show" , "Broadcast visual images" , "Put on the box" .)