He became a well-known figure in the United States through his series of fifty-three televised Young People's Concerts for CBS, which grew out of his "Omnibus" programs. His first Young People's Concert was televised a few weeks after his tenure began as principal conductor of the New York Philharmonic. He became as famous for his educational work in those concerts as for his conducting. The Bernstein Young People's Concerts were the first and probably the most influential series of music appreciation programs ever produced on television, and they were highly acclaimed by critics. Some of Bernstein's music lectures were released on records; a recording of "Humor in Music" was awarded a Grammy award for Best Documentary or Spoken Word Recording (other than comedy) in 1961. The programs were shown in many countries around the world, often with Bernstein dubbed into other languages. All of them were released on DVD by Kultur Video (half of them in 2013).