...virtually the only people who are likely to actually *bother* reading it, are a bunch of crusty and harmless old folkies...

I take exception to being called harmless. :)

Have to say I would worry too about the wrong sort breaking into our little club.

Like we wouldn't want an rappers or RnBers coming in here and discovering a wealth of musical material. They might corrupt some of it, by laying the lyrics and melodies to a different beat.

Godsake, they might get interested in Morris dancing. Like this guy

As far as inviting people to join them in a fight, there is nothing stopping that now. Anyone can put a link to a mudcat thread on their twitter or facebook, if they so choose. The Share this Thread facility on Mudcat, simply makes it a tad easier.