When you click on the orchestrion listing on one of your own Lodestone character pages (e.g. https://na.finalfantasyxiv.com/lodes...orchestrion/#1)

There is a checkbox: "Display unlocked songs only"

However, this checkbox actually displays *locked* songs only. I actually like the current functionality (showing me songs I have not yet unlocked), but the message is incorrect. It should be "Display locked songs only" or "Display missing songs only", something like that.

Interestingly, the japanese version of this page says "未入手の楽曲のみを表示" which is correct, so I believe this is a localization bug.