Here is good example of some one with proven jazz and classical mastery to trancend the theory he clearly knows and improvise with beat frequencies. Keith Jarrett, 'Spheres / Hymns'. He especially uses this technique between 20:00 and 30:00. See my thread below if you'd like to read more about why this composition is relevant to the parent thread.

https://www.youtube.com/watch?v=lXymPInuMkM