"Da Doo Ron Ron" is a song written by Jeff Barry, Ellie Greenwich and Phil Spector. It first became a popular top five hit single for the American girl group The Crystals in 1963. American teen idol Shaun Cassidy covered the song in 1977 and his version hit number one on the Billboard Hot 100 chart. There have also been many other cover versions of this song, including a version by the Raindrops, which featured Barry and Greenwich