Looking through the Korg manual, it looks like it might be possible to use the built in sequencer to transpose the midi files and then overwrite or save a copy of the songbook file entry.
https://www.korg.com/us/support/download...0/90/1945/
Page 183, maybe.
https://www.korg.com/us/support/download...0/90/1945/
Page 183, maybe.
Sam
Surface Pro 7 with MSP
Surface Pro 7 with MSP