Once upon a time, it had a material stake in the music business, until it sold its 51% holding in BMG to Bertelsmann in 2013 for approximately $1bn. Last summer, KKR dipped its toe back into music rights by joining a $48m round in royalty-free music and content platform – and Epidemic Sound rival – Artlist. Today, however, KKR has jumped back in the music biz in a much bigger way