The rocker said a line from Your Favorite Toy helped inspire the title of the just-released 12th album from the group. GLASTONBURY, ENGLAND - JUNE 23: Dave Grohl of the Foo Fighters gestures to the sky after referring to the late drummer Taylor Hawkins as the band perform on the Pyramid Stage on Day 3 of Glastonbury Festival 2023 on June 23, 2023 in Glastonbury, England. The Glastonbury Festival of Performing Arts sees musicians, performers and artists come together for three days of live entertainment. Leon Neal/Getty Images Trending on Billboard What do Dave Grohl and Elphaba have in common? On the surface, nothing. But to hear the Foo Fighters singer/guitarist tell it, his band’s just-released 12th studio album, Your Favorite Toy , almost shared a title with the second chapter in the Wicked movie franchise.…