Get up, when music finally reaches conclusion (6)
I believe the answer is:
ascend
'get up' is the definition.
(I've seen this before)
'music finally reaches conclusion' is the wordplay.
'music' becomes 'c'.
'finally' is a charade indicator (letters next to each other) (some letters go at the end of others).
'reaches' becomes 'as' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'conclusion' becomes 'end' (something's conclusion is its end).
'c' put after 'as' is 'asc'.
'asc'+'end'='ASCEND'
'when' acts as a link.
Can you help me to learn more?
(Other definitions for ascend that I've seen before include "Mount" , "shift to a higher plane" , "Make the top" , "Take off" , "Scale" .)