When mixing down vocals, drums, bass and guitar, are there any tricks to use to get good separation in the final mix? I'll be using a Tascam 1/2" reel to reel. The tracks will be....trk 1-vocal, trk2-vocal, trk3-bass guitar, trk4-guitar, trk5-overheads, trk6-toms, trk7-kick, trk8-snare.