A jazz ensemble is a group of musicians who come together to perform jazz music. These ensembles can vary in size, ranging from small combos with just a few players to larger big bands that include many instruments. Common instruments in a jazz ensemble include saxophones, trumpets, trombones, pianos, double basses, and drums. Jazz ensembles often emphasize improvisation, allowing musicians to create spontaneous melodies and solos during performances. This collaborative approach encourages creativity and interaction among the players, making each performance unique. Ensembles may perform various styles of jazz, such as bebop, swing, or fusion.