The legendary album first released in 1971 and reissued in 2008 on CD has sold 24 million copies and changed the retail and radio world forever.

Watch outtakes from "Garrison Keillor: The Man on the Radio in the Red Shoes."

American Masters trails this yarn-smith and his crew of actors and musicians as they spin stories and song into American gold.

With its concentration of theaters and publishing houses, New York became the center of the music world and at the center of New York was a small area called Tin Pan Alley where musicians would play their songs for publishers and producers.