I find that feature very helpful. If a track I like is no longer available and I enjoy it enough to want to download it, I can always go somewhere where it is a

I find that feature very helpful. If a track I like is no longer available and I enjoy it enough to want to download it, I can always go somewhere where it is available and buy it/download it. Much better than it just randomly disappearing and then having to remember what track could possibly be missing out of my 100+ song playlist.