So if my maths is right, 10K concerts over ~ 40 years - this guy was at a concert 5 nights a week every week?
Concerts usually have more than one act.
Sounds like they might have been working the gigs? Maybe a sounds engineer
Just a fan who became well known and often got in for free - https://chicagoreader.com/music/tapehead/
Concerts usually have more than one act.
Sounds like they might have been working the gigs? Maybe a sounds engineer
Just a fan who became well known and often got in for free - https://chicagoreader.com/music/tapehead/