yes the girls sang Nathan Jones on the Tonight Show. i have the audio of this in a Sup program that Midnight Johnny did. while the girls did a good job, the live band was terrible. it was the Tonight Show band trying to approximate the backing track of Nathan Jones. understandable that it might suffer from the original

and as a correction to the tv list, the 1977 show of Soul Train featured Driving Wheel, You Are the Heart and Come into my life. it was rumored to have included Let Yourself Go but it didn't