I'm no music expert, but this is truly beautiful. A vynil version of this went up to $6000 on ebay. It lasts 5 hours and if the 5 hours are as beautiful as the first 30 min, this is a true masterpiece.
He turns his mind away from those phenomena, and having done so, inclines his mind to the property of deathlessness: 'This is peace, this is exquisite — the resolution of all fabrications; the relinquishment of all acquisitions; the ending of craving; dispassion; cessation; Unbinding.'
(Jhana Sutta - Thanissaro Bhikkhu translation)