What exactly are these Hacking Schools? I would certainly use one of them for texture/vertex hacking but I don't have a clue on where to find them...Is it the tutorials? (sorry I'm a noob)

Sorry to bother you first thank for your awesome tutorial! Thanks to you I can finally create my own music
Everything got just fine except for one little thing...The in game sound isn't loud enough...I must have screwed up to the Db part but I don't undersand my Brstm is 93 Db...