Playbill.com is marking the anniversary with some performances from the musical that introduced such songs as "Old Friends," "Not A Day Goes By," "Now You Know" and "Good Thing Going."
Playbill.com's look at the Encores! staging (part 1).
Playbill.com's look at the Encores! staging (part 2).
The Cincinnati Playhouse in the Park production.
"Not A Day Goes By" - Bernadette Peters.
"Our Time" from the BBC's Sondheim at 80 concert.
Vanessa Williams and Barbara Cook perform "Losing My Mind"/"Not a Day Goes By."
Liza Minnelli - "Old Friends."
David Campbell sings "Good Thing Going."
Audra McDonald - "What Can You Lose?"/"Not A Day Goes By."
George Hearn sings "Good Thing Going."
Frank Sinatra's cover of "Good Thing Going."
