Chords on the left hand and impro (arp?) on the right hand or two overdubbed recordings?
Good exercise! The tonalities keep changing.
Pretty much. I always give credit for those who inspired me here it was as mentioned Mr Corea. Also some McCoy Tyner I still have one of his LPs from the 70s great stuff. I really really really like the M7#11 chords that Tyner and Corea were so fond of and use them aplenty in my creations.
Here is it indeed left hand and right hand. I recall thankfully all those who 50 years ago instructed me to make more use of my left hand even writing out figures for me to practice.
My practice routing most days is 3-4 hours and at least part of that is Mussorgsky’s Pictures At An Exhibition there are so many strong left hand parts in that suite of compositions which he put together in something like 3 weeks? Bydlo and La Vecchio Castello among them.
I was asked at a rehearsal 3 years ago if I knew Pictures I said let me get back to you on it. At present I can play the first 21 of 45 pages. A very long process. Again as many told me, take it slow.
Thank you thank you thank you thank you Francoise for listening. Keep playing, always! 
Here’s something I conjured up this morning. Cogitations and Such
Again with some M7#11 chords;-)