How old is "Weird Al" Yankovic?

Alfred Matthew "Weird Al" Yankovic is an American musician, singer, songwriter, and actor. He is best known for writing and performing comedy songs that often parody specific songs by contemporary musicians. He also performs original songs that are style pastiches of the work of other acts, as well as polka medleys of popular songs, most of which feature his trademark accordion. Since having one of his comedy songs aired on The Dr. Demento Radio Show in 1976 at age 16, Yankovic has sold more than 12 million albums, recorded more than 150 parodies and original songs, and performed more than 2,000 live shows.