The Beethoven Bicentennial Collection: Piano Sonatas Vol. IV is a box set featuring classical music by Beethoven, specifically piano sonatas. This collection is part of a series celebrating Beethoven's 200th anniversary, released by Deutsche Grammophon. The records are made of vinyl and come in a box set, including a booklet, original inner sleeve, and original cover. The records play at a speed of 33 RPM and are in excellent condition, making it a valuable addition to any music lover's collection.