I often take a song I know well and play it with different styles. Possibly a Jazz style than a Latin style and then s lounge piano style -- making sure that I do not play the song with the same feeling as I change from style to style. This is a way of you expressing according to the feel of the keyboard.
It also improves your perception of the effect of each style in your playing. I love playing a ballad style and changing to a Bolero style and then back like in the song Tangerine.
John C.