I can't know, of course, but would assume that the split is done via Dashboard.
My far-off target would be to play anything that only remotely resembles what Parisi and the likes show off in vids, but that won't ever happen in my lifetime. Going slow is also extremely enjoyable on the "squishies", so I'm cool with that
.
Seaboards have the advantage that their touch is kind of addictive, so I have been learning more in the last few month than in 30 years of owning-but-not-really-playing keyboards.