Second verse and bridge ultimately stir emotions (4)
I believe the answer is:
move
'stir emotions' is the definition.
(I've seen this before)
'second verse and bridge ultimately' is the wordplay.
'second' becomes 'mo' (both are short periods of time).
'verse' becomes 'v'.
'and' is a charade indicator (letters next to each other).
'ultimately' suggests the final letters.
The final letter of 'bridge' is 'e'.
'mo'+'v'+'e'='MOVE'
(Other definitions for move that I've seen before include "Depart" , "Affect" , "Change (house)" , "Budge" , "Change address" .)