Select Famicom games on the Switch Online service are actually the Famicom Disk System versions

Well here's a neat little detail that Nintendo didn't share about the Switch Online Famicom games. It appears that if a Famicom title saw a Famicom Disk System release, that's the version that has made it to the Switch Online service. This definitely makes for some changes/improvements in various games. For example, the Famicom Disk System version of The Legend of Zelda has the enhanced music!