Okay – so we don’t quite know how Solange beats out Beyonce’s Lemonade for best album of the year. But the bigger question is how this eclectic hodgepodge of styles and genres gets sorted out into a big list that features Barbara Hannigan, Miranda Lambert, Rihanna, Chopin mazurkas, Kaytranada and Christopher Rouse. Just what is the aesthetic through-line here?