It is rare that I find myself stumbling upon so-called “Indie” music. Well, that is, before it’s two years old and reached the top of the iTunes Top 10 List, which, as Indie snobs have told me, is an embarrassing place to buy music.

Whoopsies.

Apparently, to be a true connoisseur of trendy music, one must scavenge through dusty vinyl records and unreleased CDs in the basement of a dimly-lit Soho store where skinny jeans and a judgmental expression are prerequisites for...