This song is used to train doctors to perform CPR efficiently .This is because of the fact that the song has a consistent 104 beats per minute, which is close to the recommended compression per minute needed for a CPR 100- 120 compression per minute).
As per the American Heart Association, it provides the ideal rhythm in terms of beats per minute for hands-only CPR and Another Study conducted by the University of Illinois College of Medicine found that the quality of CPR while listening the song was actually better.

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