‘Hair’ by The Cowsills peaks at #2 in USA 50 years ago #OnThisDay #OTD (May 10 1969) May 10, 20191960s, Broadway, Popular Music 1960sadmin (Saturday, May 10, 1969) — “Hair” by The Cowsills peaked at #2 on today’s Billboard Hot 100 singles chart for two weeks. Share this:TweetRedditLike this:Like Loading... Related