A jazz band is a musical group that plays jazz, a genre known for its improvisation and swing. Typically, a jazz band includes instruments like the trumpet, saxophone, trombone, piano, double bass, and drums. The size of the band can vary, ranging from small combos to larger big bands, each offering a unique sound and style. Jazz bands often perform in various settings, including clubs, festivals, and concerts. They may play original compositions or reinterpret classic jazz standards. The musicians in a jazz band often take turns improvising solos, showcasing their individual creativity while contributing to the overall ensemble performance.