This week in rock headlines…Ozzy drops out of PowerTrip BUT the epic music festival has already chosen a KILLER replacement, Billy Joel weighs in on Fall Out Boy’s version of “We Didn’t Start the Fire” and Slash is working on the Barbie movie?!

All this and more in this week’s Gabbin w/ Gabby hosted by Mike Duffy from 979X and Gabby Lang from The Weekender.