antirock

adj

1. (not-comparable)Opposed to rock music

   “In their darkest hour, the antirock interests received a gift from the gods: the quiz-show scandal of 1958.”

noun

1. (uncountable)Rock music that deliberately goes against the usual conventions of the genre

   “Ut's slippery, semi-improvised antirock was shrill and swampy, an unpredictable amalgam of loose strumming and phantom sputtering.”