Akai MPC2000xl Auto Chromatic Tutorial Forget about 16 levels "Tuning" for Bass lines and Instrument melodies. To get all pad banks (& controller keys) of chromatic pitch range use this Auto Chromatic assign function. I'm surprised how many MPC2000xl users do not know the XL can do this. Just about every MPC that came out after the MPC2000xl has Auto Chromatic assign,but the setup process if different on each MPC. Here is how its done on the MPC2000xl.