Music’s all Sakamoto’s, the playlist was originally made by @mybluevalentine , full credit to him.
Timestamps (finally!):
00:00 - Merry Christmas Mr. Lawrence
04:47 - Opus
11:42 - Flower
16:52 - Mizu No Naka No Bagatelle
20:38 - Tema Para Ana
22:46 - Blu
28:04 - Koko
32:23 - Undercooled
35:56 - Energy Flow
40:29 - Rain
Morse code decoder for title!