American Authors is an American indie rock band based in Brooklyn, New York, and who are signed to The Island Def Jam Music Group.[2] They are best known for their 2013 single "Best Day of My Life". Show more...

American Authors is an American indie rock band based in Brooklyn, New York, and who are signed to The Island Def Jam Music Group.[2] They are best known for their 2013 single "Best Day of My Life".