New study on emotional valence of musical chords through lyrics found that the most positive emotions were conveyed by seventh chords. Asian songs were more positive than North American, and Scandinavian more negative. Positive music and lyrics peaked in 1950s, but is on the rebound since 2010s.

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New study on emotional valence of musical chords through lyrics found that the most positive emotions were conveyed by seventh chords. Asian songs were more positive than North American, and Scandinavian more negative. Positive music and lyrics peaked in 1950s, but is on the rebound since 2010s.