If you haven’t heard of Niccolai Kapustin, then you have to check this out RIGHT NOW. There are a few techniques in this piece that are extremely useful for jazz improvisation. In particular, two techniques that involve interaction between both hands. The first one is on the first page of the piece and involves the right hand playing chords while the left plays notes and using this rhythmically. Check this out at 0:15 in the video. The second technique involves simply starting a line in the left hand and finishing it in the right hand, a modern concept being used by many pianists today like Brad Mehldau and Taylor Eigsti. You will heard this being done throughout the piece, so follow along with the music and look out for this technique.