Marconi Union, a Post-Rock band out of Manchester, and a group of scientists put together a track that is considered the most relaxing song ever made. During the study it was rated more relaxing than Mozart and Enya. Weightless is about eight minutes long and incorporates rhythms, drones, and a 60 BPM rhythm to slow breathing and synchronize the heart. The study found that it was more relaxing than a massage or a walk. They have cautioned against listening to it while driving.
The tunes tested were: