The artist and song at 16:16 is 王唯乐 兰亭序 There is no full version that I'm aware of. But pasting that into RU-vid should take you to the 17 second video
Honestly, id prefer the original maker of this was praised. But this has given me more RAW emotion than any movie I've seen in YEARS. It's EASILY on par with One Piece in my opinion. Please make more.