How LP pressing plants are handling booming vinyl demand - Marketplace
Adele's '30' Was The Bestselling Vinyl Album Of 2021, Taylor Swift Rules With Several Bestsellers
Music CD sales increased in 2021 for the first time in 17 years
Adele albums and songs sales - ChartMasters
Driven by Adele, vinyl and CD sales both went up in 2021, data says, News
Adele's pal: I've heard her new album, teases release date
Adele's 30 named best-selling album of 2021, despite only being on sale for six weeks of it
Adele's album “30” and what's up with vinyl sales and the supply chain, explained - Vox
You Should Listen to CDs
Adele Is No. 1 With a Huge Week, but Without a Million in Sales - The New York Times