Phish
Phish is an American rock band that formed in Burlington, Vermont, in 1983. The band is known for musical improvisation, extended jams, blending of genres, and a dedicated fan base. The band consists of guitarist Trey Anastasio, bassist Mike Gordon, drummer Jon Fishman, and keyboardist Page McConnell, all of whom perform vocals, with Anastasio being the primary lead vocalist.
Phish’s music blends elements of a wide variety of genres, including funk, reggae, progressive rock, psychedelic rock, folk, country, jazz, blues, bluegrass, electronic music, and pop. The band is part of a movement of improvisational rock groups, inspired by the format of the Grateful Dead’s live performances and colloquially known as “jam bands”, that gained considerable popularity as touring concert acts in the 1990s. (wiki)