. . . "Kingsley appeared in several . He also co-wrote the lyrics to \"Count Me In\" with his mother. With Marshall Levitz, he is the co-author of Count Us In: Growing Up With Down Syndrome. In 2004, his contribution to My Favorite Sesame Street Moments aired before Episode 4072."@en . "Kingsley appeared in several . He also co-wrote the lyrics to \"Count Me In\" with his mother. With Marshall Levitz, he is the co-author of Count Us In: Growing Up With Down Syndrome. In 2004, his contribution to My Favorite Sesame Street Moments aired before Episode 4072."@en . . . "Jason Kingsley"@en .