Jam bands are musical groups known for their improvisational style, often blending elements of rock, jazz, blues, and folk. They typically perform extended live shows, allowing musicians to explore and experiment with their sound, creating unique renditions of songs. This spontaneity is a hallmark of the genre, attracting fans who enjoy the unpredictability of each performance. Many jam bands have a dedicated following, with fans often traveling to see multiple shows. Notable examples include The Grateful Dead, Phish, and Widespread Panic. These bands emphasize live performance, fostering a sense of community among their listeners through shared experiences.