Wait, cassette tapes? Yes (driven, as movie fans could guess, by Guardians of the Galaxy compilations). “Vinyl sales grew by just shy of 12 percent from 8.6 to 9.7 million sales, while cassette sales grew by almost 19 percent from 99,400 to 118,200 copies sold in the US.” But CD sales were in freefall, making physical media take another dip. – The Verge