"Hey Ho, What You Do to Me" is a song written by Nickolas Ashford, Valerie Simpson, and Jo Armstead and performed by Chad Allan and the Expressions (Guess Who?). It reached #3 in Canada in 1965. The song was released in the United States in August of that same year and reached #125 on the Billboard chart. It was featured on their 1965 album, Hey Ho (What You Do to Me!)
Cash Box described it as a "rollicking, fast-moving, rhythmic high-spirited romancer about a guy who is on cloud nine ever since he met his girl."
The song was produced by Bob Burns and arranged by Chad Allan.