Appropriate key found by composer (7)
I believe the answer is:
germane
'appropriate key found by composer' is the definition.
'germane' can be an answer for 'appropriate' (I've seen this before). I am not certain of the 'key found by composer' bit.
'appropriate key found by composer' is the wordplay.
'appropriate key' becomes 'e' (I've seen this in other clues. I am not sure about the 'appropriate' bit.**).
'found by' says to put letters next to each other.
'composer' becomes 'german' (I've seen this before).
'e' after 'german' is 'GERMANE'.
Can you help me to learn more?
(Other definitions for germane that I've seen before include "Relevant, to the point" , "Relevant (to subject)" , "Relevant to current topic" , "Relevant - appropriate" , "closely related" .)