https://marco.org/2007/04/10/microsoft-would-have-told-emi-to-stick-their
Microsoft would have told EMI to stick their DRM-free tracks up their ass. And the classic Microsoft, the Microsoft with a set of balls, would have told EMI that if they wanted to sell DRM-free tracks elsewhere, at other stores, that they’d suddenly find the terms changed for their songs at the market-dominating Microsoft store.
— Daring Fireball: Some Facts About AAC and why Apple isn’t “the Microsoft of digital music”.