Board Thread:Love Live! School Idol Festival Lounge/@comment-38278756-20190123214355

I'm trying to get the Solo Live Show goals, but when trying to get to the song (through the goals page, same as I've done for other goals requiring specific songs), it says there is no playable song found, and even searching manually I couldn't find the song that the goal requires. How do I get those songs? Is it a rank thing? 