Maribel Hearn's Touhou Portal
Nylilsa's GitHub page
touhou (33) hidden star in four seasons (1) hsifs (1) udoalg (1) unfinished dream of all living ghost (1) 100th black market (1) 100bm (1) bonus18.5 (1)
If you extract the files from Unconnected Marketeers, you can find the tracks’ descriptions in a file called musiccmt.txt.
Each song has a corresponding bgm/th18_xx number as follows:
bgm/th18_0 1 - 虹の架かる幻想郷
Maribel Hearn's Touhou Portal
Nylilsa's GitHub page