Who wrote the greatest hits of the 90s and 2000s? CHEIRON studio phenomenon

Britney Spears, Ariana Grande, The Weeknd, Katy Peri, Taylor Swift, Justin Timberlake, Pink, Maroon 5, Backstreet Boys, and Ed Sheeran all have songs written by the same author. The video explores the formation of producer Max Martin, the legendary Swedish studio CHEIRON, and its creator Denniz PoP, and thanks the book "The Song Machine: Inside the Hit Factory" for inspiration.