Jóhann Jóhannsson - IBM 1401, A User’s Manual
"The Sun's Gone Dim And The Sky's Turned Black"
https://www.youtube.com/watch?v=15WzjjvqFUsAccording to the story, this song is about a fully served mainframe, IBM 1401, which was decommissioned and turned off by it's own maintainer. The maintainer was Jóhann Jóhannsson's father, Jóhann Gunnarsson.
According to the story it rained indoors.