“While the charismatic and hilarious Sheldon boasted an impressive résumé that included serving as the music director and sidekick on The Merv Griffin Show for 18 years; releasing 23 albums as a bandleader between 1955 and 2007; heading his own 17-piece orchestra; … and acting in various movies and TV shows, he is also lovingly remembered as the affable, lackadaisical crooner from the Schoolhouse Rock! cartoons of the 1970s, including ‘Conjunction Junction’ and ‘I’m Just a Bill.'” – Yahoo!