[Publius]

The song is from the musical “Hair.” The 5th Dimension merely covered it by combining it with the chorus of the finale of the musical.

[Ezekiel]

The song is from the musical “Hair.”

I was just going by the album award data, but yeah that's a nice added detail about the "Hair", lol, thanks.

https://en.wikipedia.org/wiki/Grammy_Award_for_Record_of_the_Year#1970s