I've just noticed today that a majority of my songs on an old playlist are grayed out, but if I search for the song individually, I find it (with a slightly different title and artist) and it's able to play. It's like someone is messing with the links on the back end of the system. What gives?
PS: I'm currently in Antigua for medical school, but they were able to download/play before I came here from the States. And I'm a premium user.