The forward-thinking band Umphrey’s McGee will carve out new terrain in musical interactivity with their fans at the first "UMBowl," an unprecedented 4-quarter evening-long concert on Saturday, April 24th, at Lincoln Hall in the group’s hometown of Chicago.

Umphrey’s, which has long forged a close bond with its national fan base through technological innovation, will explore fresh frontiers in the five-hour event, styled to emulate a football game with four "quarters" of unique musical performances that will actually be generated by audience input. Half the night’s music will be determined by text messaging on "gameday" itself....