This is the description:
This clip, from CHILDREN AND ART, the 75th Birthday celebration for the late, great, Stephen Sondheim, is especially bitter sweet as it features the recently departed Harvey Evans, performing with Kurt Peterson, Marti Rolph and Virginia Sandifur — the Young Buddy, Young Ben, Young Sally and Young Phyllis in the original 1971 production of Follies — re-creating their medley of "You're Gonna Love Tomorrow" and "Love Will See Us Through."