Guitars - Double track rhythms, and and usually just single track leads. I've tried quad tracking, and I felt like it just made everything muddier and unclear.
Vocals - Entirely depends on what kind of song, and what I'm going for, but most of the time I try to double track every vocal part.
Vocals - Entirely depends on what kind of song, and what I'm going for, but most of the time I try to double track every vocal part.