Obscuristics
A person who thinks the only good music is the stuff no one knows about, even if it's total garbage.
He went off because I said my favorite song was from 2015. 'That's not even real music!' he screamed.
She got mad when I said I liked a popular song. 'That's just mainstream sh*t!' she yelled.
He called my favorite album 'hipster faggotry' even though it was on a video game.