Okay Gaga hit far from quiet (5)
I believe the answer is:
allow
'okay gaga hit' is the definition.
'allow' can be an answer for 'okay' (I've seen this in another clue). I'm not certain of the 'gaga hit' bit.
'far from quiet' is the wordplay.
'far from' becomes 'al' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'quiet' becomes 'low' (low in volume).
'al'+'low'='ALLOW'
Can you help me to learn more?
(Other definitions for allow that I've seen before include "Give permission to" , "Acknowledge - concede" , "Permit or concede" , "Permit, consent to" , "Admit as acceptable" .)