Hi Willem,
amazing how we've all developed our own method of doing things.
I normally do any editing while it's still in midifile format on a p.c. sequencer or else on the kn7 while it's still in the the sequencer stage ie jobs like transposing, changing velocities , etc before I use the seq to composer function.
Editing in the composer sounds like a good way to fine tune the style.

Thanks Willem

best wishes
Rikki