American Tribal Love Rock Musical that opened on Broadway in 1968 (4)

I believe the answer is:

hair

(Other definitions for hair that I've seen before include "Famous hippy musical of hirsute character" , "Musical - locks" , "Threadlike growth" , "Showy garden flower" , "Red face powder" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.