A University of Sheffield music psychologist has conducted research to determine what makes certain songs sound inherently uplifting. The study examined various musical elements that contribute to happiness perception, including the relationship between rhythm, melody, and emotional response. The research suggests music has quantifiable characteristics that trigger positive feelings in listeners.

The research identified that major keys, a tempo around 137 beats per minute, and specific harmonic elements like 7th chords create optimal conditions for happiness perception. Bright instruments such as trumpets and electric guitars, combined with memorable rhythmic patterns and short introductions, further enhance this effect. Based on these criteria, the Beach Boys' 1966 hit 'Good Vibrations' was identified as the happiest song of all time.