Singing bards in housing?

Jennifer

Is it me or does the Hunding’s Palatial Hall have a mysterious singing bard in the tower? I was walking around my home and out of no where I heard "Red Diamond" being sung. LOL. I got really confused and walked around for about 5 min trying find this elusive voice. Needless to say I have not found the source of my melodic invisible singer but I rather enjoy my random serenade. Has this happened to anyone else?