No offence, but that's a really bad idea. If you grow tired of the songs, just type "snd_restart" into the console, which resets all sounds at that moment. Not to mention how the map would have to be changed as the text would need to be altered, and how the music is completely unrelated. I'm fine with 1 or 2 being secret and not Pokemon related (For example, Palladio in Ecruteak), but adding random songs would be a waste of time and completely pointless.