Astronomers are fascinated with a phenomenon called "gamma-ray bursts." This highly energetic electromagnetic radiation originates in unimaginably large explosions far out in the universe.
An object known as GRB 080916C lost its shit in September 2008 and scientists have been examining it ever since. One result has been to turn these gamma-ray emissions into a song.
For details on how they did that, go here. But if you just want to listening to the dying gasp of GRB 080916C, click on the video.