If you’ve ever wondered what the polar lights might sound like, “Borealis” is the answer. This audible representation of the glistening colors across the sky perfectly encompasses the feeling you might expect when witnessing one of Earth’s most magnificent natural displays. 

Courtesy of John Hastings, or RUMTUM, this track is a celestial trip. The circular synth pattern entrances you from the start and the alternating, arpeggiated notes achieve a…