Toxic

"Toxic" was a popular recording made by singer Britney Spears in the early 21st century on Earth. By the year 5 billion, the song was considered a ballad from Earth's classical era and was played on a vintage jukebox owned by Cassandra shortly before the planet Earth was destroyed. It also woke up Rose Tyler, having been knocked unconscious and dragged by her leg into a room by the Adherents of the Repeated Meme "Toxic" could be called the last song heard during the planet's history. (TV: The End of the World)