Check out this article about a man with OCD who had electrodes implanted in his brain for therapy. The therapy was helpful, but the side effect was that he began to be obsessed with the music of Johnny Cash. When the therapy diminished, the JC effect wore off. When it was reapplied, it kicked back in. Oliver Sacks tells a related tale of how a man who was struck by lightning became obsessed with music.
“Sunday Morning Coming Down” is a great song. That electricity was already flowing through my loopy cords.