Music isn't mormally something we would consider to be scientific, but scientists have been probing which scientific properties make a tune sing-along-able. Analysis by researchers from Goldsmiths University London identified four core elements which trigger people's inclination to sing. The longer and more detailed the musical phrases, the more likely we are to sing-along, plus a greater number of pitches in the chorus's hook, the more infectious a song becomes. We're also likely to sing-along to male voices - a subconscious war cry the researchers suggest-and the more energy and purpose the singer puts in, the more we like the song.
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