Be in awe of fine appreciation of music (4)
I believe the answer is:
fear
'be in awe' is the definition.
'fear' can be an answer for 'awe' (I've seen this before). I'm not sure about the 'be in' bit.
'fine appreciation of music' is the wordplay.
'fine' becomes 'f' (abbreviation).
'appreciation of music' becomes 'ear' (as in 'having an ear').
'f'+'ear'='FEAR'
'of' acts as a link.
Can you help me to learn more?
(Other definitions for fear that I've seen before include "Trepidation" , "Consternation" , "Apprehension" , "Alarm, reverence" , "Anxiety caused by danger" .)