J1 Sy has 1 Underworld concert.

Underworld are a British electronic group formed in 1986 in Romford, Essex, England, by Karl Hyde (vocals, guitar, production) and Rick Smith (keyboards, production). DJ Darren Price (keyboards, production) accompanied the two in live performances between 2005-2016. They are best known for their unique mix of techno, trance, dance, ambient and sometimes drum and bass, the vocal parts performed by Hyde as spoken-word streams of consciousness, and for their outstanding live shows.