"Even when Seymour’s asleep, he still has the best ears in the business!" lang writes in a tribute to the late Sire Records founder.
"He found them in the raw," Ice-T says of artists signed by Stein. "Nowadays, you have to get a billion followers before a record label would even look at you."
Natalie Osborne and Daniel Lee also join the new venture.
The Grammy-nominated artist has re-signed with the label after releasing an EP on Lava Records last year.
Though it's been a successful decade plus, the Brazilian star recently made headlines when she aired grievances with the label.
The departures come as Cindy Mabe officially began her role as UMG Nashville chairman/CEO on April 1.
Major releases by Morgan Wallen, SZA, Miley Cyrus and more helped shape the first three months of the market share rankings this year.
"Our future starts today," Mabe declares in email sent to the company's employees.
The latest episode of Billboard Explains delves into the role of record labels, how they make profit and how they're evolving in the age of social media.
"We need to make sure artists and their music are present where fans are and that means a lot of content both premium and casual," says Joseph Oerke.
