Who provided guest vocals on " We Are Young " because of his / her friendship with Bhasker ?
Bhasker 's collaborations span multiple genres , including writing and production credits on Alicia Keys 's 2009 album , " The Element of Freedom " , including the charting singles " Try Sleeping with a Broken Heart " and " Wait Til You See My Smile " , and the album tracks , " Love Is Blind " , and " Like the Sea " .