Lady Gaga called into Zane Lowe's Beats 1 radio show on Wednesday interview for a brief chat about her brand new video for "John Wayne," her big performance at Sunday's Super Bowl Halftime show, and her upcoming duet with Metallica at the Grammys. Check out excerpts from Gaga's interview or listen below! On working with Bradley Cooper on A Star Is Born: Right now I'm finishing the score with Bradley and some other fantastic producers and collaborators. And then I'll shoot the movie, and t