Mary Sharon Vaughn is a Stockholm based American musician, songwriter and producer. She has written hits for artists such as Willie Nelson, Agnes, Kate Ryan, Boyzone, Namie Amuro and September. During 2014, Vaughn competed as the songwriter of three songs in Melodifestivalen.Vaughn moved to Nashville in her early 20’s. In 1974, she charted two singles for Cinnamon Records: a duet with Narvel Felts titled "Until the End of Time", and "Never a Night Goes By".