A deeper look at the grooves pressed into the Black Friday-issued “Keep It Thoro” 12” single by Mobb Deep’s Prodigy. It’s kind of incredible to think about just how much the “Single” has changed as a format over the years. When singles first gained popularity, their construct was simple; a hit song was collected from a long-playing record, then paired with a song of complimentary length and then pressed one-per-side onto a seven-inch record. Simple, right? As both taste and...