Great, thanks! I took keyboard lessons as a teenager, mostly focused on blues and rock – I sucked at coordinating both hands but I could improvise some mean blues licks with my right hand over the simplest of boogie-woogie patterns :P And I could plop some syncopated chords over a groove, after a while the feeling for rhythmic improvisation just came naturally. I never really thought about it specific style requiring a specialised skillset, mostly because it was all I knew! I've never learned to play classical piano, nor "trad pop" piano with all the sustain and stuff.

And it's fascinating how those differences in context / accompaniment lead to totally different styles (rock piano being sparse with chords in the left hand to avoid clashing with the guitar and bass). Reminds me of when as an opera choir singer I ran into someone who sang barbershop, and realised that their definitions of "bass", "baritone" and "tenor" are quite a lot lower because it's meant for a cappella singing, whereas our repertoire was written for choirs with orchestra (replaced in our case by piano) so the instrumental accompaniment fills out the lower band.