"Beethoven on Speed" by The Great Kat is a thrash/speed metal cassette released in December 1990 by Roadrunner Records. This unique album features recordings of classical music by Beethoven played on a recorder, showcasing the band's skill in blending traditional and heavy metal elements. With a style that combines heavy metal, speed metal, and thrash metal, this cassette is a must-have for fans of metal music looking for a fusion of classical and rock instrumentation. The cassette is in excellent condition and comes in an near mint condition case, making it a valuable addition to any music collection.