“The RIAA released its 2017 year-end revenue report on Thursday, showing that revenue from digital downloads plummeted 25 percent to $1.3 billion over the previous year. Revenue from physical products, by contrast, fell 4 percent to $1.5 billion. Overall, the music industry grew for the second straight year. And with $8.7 billion in total revenue, it’s the healthiest it has been since 2008.”