Mass Appeal holds a series called “Rhythm Roulette” which challenges producers to make a beat from scratch by sampling three records at random. The series has had producers from Statik Selektah, Lee Bannon, and Illmind to 88-Keys and Party Supplies. Today's guest is El-P, the rapper/producer that recently put out a Fool’s Gold project, Run The Jewels with Killer Mike. El Producto grabs Beethoven, Theo Vaness and Leon Haywood vinyls and begins making a beat from scratch. Watch the video above.