Ok here's my problem. I play through 2 different setups. My 1st is a Fernandez Elite, going through a GT-8 running into a Fender 410 Deville. My other setup is a Godin xsTA running through a GR-20 and a Zoom G2 going through a Fender Tweed Hot Rod Deluxe. We started to do some live recordings with the band and I noticed that I'm continually getting a slight but very distinct humming sound in the recordings. We use one mic (a shure 58) set in the midle of the room for our recordings (just rough stuff, not for a demo or anything). Now I'm the only one that's getting this humming sound through BOTH setups. Any suggestions are GREATLY appreciated. I need to get rid of this mud sound once and for all.