Time for an updated NSF rip.
https://www.mediafire.com/file/nvzpadaiufeg812/Ide+Yousuke+Meijin+no+Jissen+Mahjong+(Added+Missing+Song).nsf/file - I added the missing title screen song. Checked and there doesn't appear to be additional songs.

-Me: Dev, unused game content, preservation, digital archeology, composer, my ideas, fun;???;butts, DDR, anime,
Time for an updated NSF rip.
https://www.mediafire.com/file/nvzpadaiufeg812/Ide+Yousuke+Meijin+no+Jissen+Mahjong+(Added+Missing+Song).nsf/file - I added the missing title screen song. Checked and there doesn't appear to be additional songs.