This is a Musical Heritage Society 12-inch vinyl record featuring classical chamber music presented by The Chamber Music Society of Lincoln Center, with Charles Wadsworth as Artistic Director. The record includes Wolfgang Amadeus Mozart's Piano Quartet in E-flat Major, K. 493, and Ludwig van Beethoven's String Trio in G Major, Op. 9, No. 1. The catalog number for this record is MHS 4291.

Side 1 contains Mozart's Piano Quartet in E-flat Major, K. 493 with tracks Allegro, Larghetto, and Allegretto, performed by Charles Treger (violin), Walter Trampler (viola), Leslie Parnas (violoncello), and Richard Goode (piano). Side 2 features Beethoven's String Trio in G Major, Op. 9, No. 1 with the movements Adagio, Allegro con brio, Adagio ma non tanto e cantabile, Scherzo Allegro, and Presto, performed by Charles Treger (violin), Walter Trampler (viola), and Leslie Parnas (violoncello).

This listing includes the 12" vinyl record with the original sleeve as shown. The record plays at 33 1/3 RPM and is stereo. The release year printed is 1980, and the label is Musical Heritage Society, Inc. Country of manufacture is USA. The cover art features minimalist line drawings of a violin and piano keys. This classical record is a valuable addition for collectors and classical music enthusiasts looking for chamber music by Mozart and Beethoven.