Ring a bell, or play the piano? (6,1,5)
I believe the answer is:
strike a chord
'ring a bell' is the definition.
(both can mean to evoke a memory)
'play the piano?' is the wordplay.
I cannot quite understand how this works, but
'play' could be 'chord' (chording is a kind of playing) and 'chord' is found within the answer.
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is found in the answer.
This may be the basis of the clue (or it may be nonsense).
'or' acts as a link.
(Other definitions for strike a chord that I've seen before include "Evoke a response" , "Create an emotional response" .)