Solve mystery where Greek character upset composer (7)
I believe the answer is:
unravel
'solve mystery' is the definition.
'unravel' can be an answer for 'solve' (I've seen this in another clue). I'm not sure about the 'mystery' bit.
'greek character upset composer' is the wordplay.
'greek character' becomes 'nu' (letter from the Greek alphabet).
'upset' is a reversal indicator.
'composer' becomes 'Ravel' (Maurice Ravel).
'nu' reversed gives 'un'.
'un'+'ravel'='UNRAVEL'
'where' is the link.
Can you help me to learn more?
(Other definitions for unravel that I've seen before include "Straighten out" , "Sort out" , "Come undone; solve" , "Solve the problem" , "Disentangle knitted wool or solve mystery" .)