My brother got a "Best of the Best" DVD of The Electric Company for my nephew -- I forgot who was in that show - I remember Rita Moreno, but I forgot about Bill Cosby and Morgan Freeman. THE BEST is Morgan Freeman singing "Easy reader, that's my name, UHH UHH UHHH" all groovy-like:
http://www.youtube.com/watch?v=s_PuAqRQLKA
It's so funny to see it again, it is soooooooooooooo 70s.