I had a tape of it when I was a lot younger and on the reverse was Japan, Oil on canvas. I ended up wearing it out.
A fly on the wall video of the 1st album [1] recording sessions was posted couple of years ago [2] which includes bits where you can see Sylvian/Sakamoto working together.
1: https://en.wikipedia.org/wiki/Brilliant_Trees
2: The Berlin Sessions - https://youtu.be/v-X36Xi8i58