For Listings try The List http://www.list.co.uk/
Folk music is a bit more spread about than in Edinburgh.
New Museum of Transport at Riverside might be worth a look, or if you go to Kelvingrove a new Brewdog pub has just opened across the way.
Check out Britannia Panopticon events page - guaranteed a different experience
Real Ale pubs: Bon Accord (near Mitchell Library), Hengler's Circus (Weatherspoons, but pretty good), Follow @glasgowbeer on twitter for real(ale)-time updates.