Pop music is getting faster (and happier)

Using the research database AcousticBrainz - which allows you to examine musical properties like tempo, key and mood - she and her colleagues at the University of California Irvine examined half a million songs released in the UK between 1985 and 2015. They found a significant downturn in the positivity of pop songs. Where 1985 saw upbeat tracks like Wham's Freedom, 2015 favoured more sombre music by Sam Smith and Adele. "'Happiness' is going down, 'brightness' is going down, 'sadness' is going up," said Komarova of her results, "and at the same time, the songs are becoming more 'danceable' and more 'party-like'." "So it looks like, while the overall mood is becoming less happy, people seem...