On October 2, 1978, Allen was arrested in the Kalamazoo/Battle Creek International Airport for possession of over 650 grams (1.4 lb) of cocaine. He subsequently pleaded guilty to drug trafficking charges, and provided the names of other dealers in exchange for a sentence of three to seven years rather than a possible life imprisonment. He was paroled on June 12, 1981 after serving 2 years and 4 months in a Federal Correctional Institution, Sandstone in Sandstone, Minnesota. Allen had the Federal Bureau of Prisons Register # 04276-040.
Well, now we learned where he learned to make those sounds.