I would really like to know how he makes the bass in Grum-Go back remix.
http://www.youtube.com/watch?v=YVZvXFRf_Q0
Starts at 1:32
Note: free mp3 from his site sounds much better than youtube video. http://lecastlevania.com/downloads/
How could you reproduce the sound? Also how would you program or play the notes like he does?