Is it really????? How do i do that?

Ok so i tossed in one of Bassnectars sub thumpers "Heads Up" into Logic Pro. I looked at an EQ vizualizer and was AMAZED at what I saw. It's almost as if the bass is HAND-DRAWN. You can see the difference between his song and mine. Disregard the grey area because it is analyzing "Pre-EQ". I've tried ...