So long, Bob Dorough, jazz singer, Schoolhouse Rock composer

Jazz singer Bob Dorough, who composed a series of educational tunes beloved by the 1970s generation, died this week at age 94.

Along with collaborating with the likes of Miles Davis in the jazz world, Dorough wrote the tunes for the Saturday morning "Schoolhouse Rock!" cartoon shorts that aired on ABC during the 1970s and 80s, such as "Conjunction Junction," "Three is a Magic Number" and "Lolly, Lolly, Lolly Get Your Adverbs Here."

Here's Dorough performing one of his classics: