Here is the story of how a cold Norwegian night turned into a warm, resonant masterpiece, and why the PDF containing those specific black notes is so highly sought after.
Around measure 45, you will see a chaos of black dots and a note saying: "Each singer chooses their own rhythmic pattern from the given pitches, repeating ad libitum." This is the "aurora explosion." In the PDF, it looks messy, but on stage, it sounds like stars. ola gjeilo northern lights pdf