The Large Professor - The Mad Scientist - Promo Cassette Single / Main Source.

"The Mad Scientist" is a song by American emcee Large Professor, released on April 2, 1996, as the first single from his debut album The LP;

The album was shelved by Geffen Records before eventually being released in 2009

The song contains a sample of "Dune Part II: Sandworms" by David Matthews

Super Rare!!

Great Condition