I'm in the same boat as you. I'm a classically trained pianist but I want to expand to be able to play some jazz as well. What I've been doing is just looking over some websites about jazz theory and improvisation. Just google it. It has got me started.
I don't really know how long you've been playing or anything but I've been strictly classically trained for about 5-6 years now. So playing jazz if very new to me.
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