Happy 90th Birthday, Stephen Sondheim!

Join the chorus of well-wishers at 

https://www.playbill.com/article/watch-this-epic-video-of-broadway-stars-singing-birthday-wishes-and-sondheim-tunes-to-wish-stephen-sondheim-a-happy-birthday

and then enjoy this:

and this:

and this interview from 1971 at the 92nd Street Y:  

http://www.92y.org/archives/lyrics-and-lyricists-stephen-sondheim-1971.aspx