There seems to be a pretty active rhythm game audience on the switch. Deemo is up there.
It's a pretty game, and also can be pretty hardcore. I have no doubt Switch will have a healthy market for rhythm games, especially ones that utilize the touch screen.
Since the Switch has a capacitive touch screen, they've opened themselves up to crazy stuff like this which was normally limited to phones and arcades.
https://www.youtube.com/watch?v=U-Zq_VC6X_I
https://www.youtube.com/watch?v=xZpDAKzeVV0
I only wonder how long more companies will get in on it.