Now that NYC is the music festival capital of the world, it’s getting harder and harder to decide which fests are worth shelling out the dolla dolla bills for. But the Bushwick Walkabout Music Festival is only $20 for 21 bands–that’s less than $1 per band. Not only that, but it also entitles you to free beer from Sixpoint (who are also holding a blind taste test), AND you don’t even have to leave Brooklyn. The bands are a little more obscure than some on other festivals, but here’s a page where you can listen to and download tracks from each act, for a festival preview. The whole thing is happening at Brooklyn Fireproof, just a couple of blocks from the Morgan L.