Yes it is!! Thanks Billy!!
I didn't realize any film footage existed of the girls. That song was so beautiful it gave me chills.
Since my post here, I found out that the band has a website and a CD available for sale there. The song from YouTube is on it!
If anyone is interested in finding out more about the band, here's their webite:
Thanks again for the head's up on the video!!
P.S. I found out this tidbit in a review: ". . . They're also the women you hear chanting "Doesn't have to be, doesn't have to be..." during the outro of the Electric Flag's 1968 hit 'Groovin' Is Easy'."