I've been doing the music thing on and off for a while and over this last 6 months I've really stepped up my game quite a bit. I just write and record my own stuff. My question is on say a production like Keith Merrow's latest album he does a lot of single note passages that I'm sure he double tracks at least but you don't hear even the slightest difference from left to right. Do they record a clean DI and edit it for extreme accuracy and then re amp it after to make it sound so perfect. Am I even on the right track here? Or is his single note stuff just tracked once? Thanks for any responses in advance.