A trombone quartet typically consists of four trombone players, often featuring two tenor trombones, a bass trombone, and sometimes an alto trombone. This ensemble allows for a rich blend of harmonies and textures, showcasing the unique timbres of each trombone type. Trombone quartets perform a variety of music, ranging from classical compositions to contemporary arrangements. They often play original works or adaptations of pieces from other genres, making them versatile in their repertoire. The combination of different trombone voices creates a distinctive sound that is both powerful and expressive.