How to fix a midi file song re recording using a Genos style

[Tyros567]

Hi, I have a mid file but the drums channel I mean channel 10 it's no so good I would like to replace it for a style from Genos (rhythm drums) instead, please how?

[ckobu]

Insert MIDI in Multi Recording mode, activate REC on Channel 10 and record Style drum.
Like in the video but you don't have to play the chords.

https://youtu.be/9csBxZVsx7Q