Every time I pick up my bass, I tweek the the controls on my amp just a little bit. I guess i'm subconsciously trying to find 'my sound'. I really boost my high mid's to get that growly, saber-toothed bass sound. But when I play my friend's Fender Jazz, I really have to take off some of the bass. And you'll notice when other people play your bass, they ruin all of your settings; Trying to get 'Their Sound'! So I guess everyone subconsciously knows what they want to sound like, but they never quite get their.