Music·Posted on Feb 23, 2015All The Musical Performances From The 2015 OscarsLady Gaga, Common and John Legend, Tegan and Sara and more crashed Hollywood's biggest night.by Reggie UgwuBuzzFeed News ReporterLinkFacebookPinterestTwitterMail Tegan and Sara with The Lonely Island, "Everything Is Awesome" oscar.go.com Tim McGraw, "I'm Not Gonna Miss You" oscar.go.com Common and John Legend, "Glory' View this video on YouTube youtube.com Lady Gaga, The Sound Of Music Tribute vulture.com Rita Ora, "Grateful" oscar.go.com Jennifer Hudson, "I Can't Let Go" Sorry, this content is no longer supported. View on enhanced page dailymotion.com Maroon 5, "Lost Stars" oscar.go.com