Mid-April had a couple of songs from the Broadway Play Hair on the Charts. The 5th Dimension
was number one with “Aquarius / Let The Sunshine In”, a medley of two songs from the play. The recording won both the Grammy Award for Record of the Year and Best Pop Vocal Performance by a Group that was issued in early 1970. They held the Number 1 spot for 6 weeks.
https://youtu.be/ILSr9BbhoJQ
Also on the charts in the Top 10 was the play’s title song “Hair” by the Cowsills.
https://youtu.be/os330ED_fQU
A few weeks later on the May 10th Charts, the songs would be Number 1 and 2.