Sean Penn and Eddie Vedder go way back both as pals and collaborators. If you remember, Vedder’s proper solo debut came with the soundtrack to Penn’s 2007 film Into the Wild, and he even won a Golden Globe for his efforts. Now, the duo have reteamed for the soundtrack to Penn’s latest film, Flag Day, which is a family affair in many senses. Penn’s daughter Dylan stars in the film, and Vedder’s daughter Olivia makes her proper recording debut with a performance of “My Father’s Daughter” (written by dad and Glen Hansard). The video for “My Father’s Daughter” features the Penns and showcases the bonds between fathers and daughters (as you might expect), and the piano ballad highlights Olivia’s tender vocals. “After this flood of gorgeous songs from Cat Power, Glen Hansard, and Eddie Vedd...