This one is like the ultimateST slow-jam ever... thx to randomly ending up on Japanese label Flau page. So, yeah - the tune is by the Japanese composer and producer Noah and it's part of her latest album Sivutie.
This beautifully animated soundscapes remind me of some early Sigur Ros, but through the prism of Noah's cultural and musical upbringings. Blending post-rock elements and classical piano/future beats is a skill not many posses.
Very subtle. Very beautiful.