You might think the perfect pop song is built on vibrant production choices and bouncy positivity, but an analysis of the output of one of the biggest selling artists of all time would suggest otherwi ...

While 19 was warmly received by listeners upon release, it was 21 that really kicked off Adele's career as an international force to be reckoned with. To date, the album has spent 23 weeks at No. 1 in ...