rock out
informal— phrasal verb with rock uk/rɒk/us/rɑːk/verb
to perform rock music loudly and enthusiastically:
The singer and his E Street Band played their longest ever concert in Helsinki, Finland, in 2012, when they rocked out for four hours and six minutes.
to listen to and enjoy rock music, for example by dancing:
Audience members were transported back to the days of roller skates, disco lights, and smoke machines as they rocked out to the music of the Bee Gees.