Complex sentence: The show has a long history; it has existed in a similar form as far back as 1974 and borrows the name from a radio program in existence in 1969, that was named after the Prairie Home Cemetery in Moorhead, Minnesota, next to Concordia College.
Split into simpler sentences: The show has a long history, existing in a similar form as far back as 1974, and borrowing the name from a radio program in existence in 1969. It was named after the Prairie Home Cemetery in Moorhead, Minnesota, next to Concordia College.