A Piano Quartet is a musical ensemble typically consisting of four instruments: a piano, a violin, a viola, and a cello. This combination allows for a rich blend of sounds, with the piano providing harmonic support and the strings adding melodic and textural elements. The format is popular in chamber music, allowing for intimate performances. The Piano Quartet repertoire includes works by various composers, such as Wolfgang Amadeus Mozart and Gabriel Fauré. These pieces often explore different musical styles and emotions, showcasing the unique capabilities of each instrument while fostering collaboration among the musicians.