You see on tickets "strictly over 18's event" and sometimes warnings about being accompanied by an adult. I could just see my dad tagging along to a metal gig. <!-- s:oops: --><img src="{SMILIES_PATH}/icon_redface.gif" alt="

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The minor threat guys talk[/url:50rrx9lg] is interesting about the economics of playing live music.
The old attitude of 5 guys driving around in a van (A DIY ethic which killed[/url:50rrx9lg] a few people[/url:50rrx9lg]) But that is not possible anymore because crowd surfing where heavy guys land on the backs of light girls necks from a height requires large numbers of security people to stop. The insurance costs of people getting injured like this brings up the price of tickets. And the combined hassle of it all means you go through ticketmaster rather then pulling up in a van and getting the driver to sell the tickets and tshirts at the door.
Not related to alcohol but interesting explanation of how gigs got so expensive. I do not buy the "we should ban sponsorship". I do think it would have little effect because alcohol and music are really tightly bound now in a way they seem not to have been in the past.