Hello is an extended play by pop musical duo Karmin. It was released on May 4, 2012 through Epic Records (Sony Music Entertainment). "Hello" is a song by American pop recording duo Karmin. The song is the second official single from their debut EP of the same name, Hello. It was written by band members Amy Heidemann and Nick Noonan, along with production team Stargate, Autumn Rowe and fellow collaborator Claude Kelly. The song began playing on mainstream radio stations July 31, 2012.