"All We Ever Knew" is a song written and recorded by American folk band The Head and the Heart, released as the lead single for their third studio album "Signs of Light" by Warner Bros. Records. The song was written by the band and produced by Jay Joyce. Using only the above description and what you know about the world, ""All We Ever Knew" was a chart topping hit when it released." is definitely correct, incorrect, or inconclusive? 