“We were not expecting this,” reads a tribute, signed by the surviving members of Luscious Jackson.
"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."
He won an Oscar for his work in "The Last Emperor."
His former bandmate Brad Fischetti shared the news in an Instagram post.
"His lyrics were one of a kind and helped to shape the music created by the band," Procol Harum said in a statement.
Leadon was a close friend of Tom Petty's, and played in two bands with the late rocker.
The hard rock band's co-founder passed after a spontaneous brain hemorrhage while on tour.
"We lost his frequency today," former P-Funk member Bootsy Collins wrote.
The Mexican singer and saxophonist was known for songs including "Juana La Cubana" and "El Colesterol."
“Death has tragically knocked at our door," his family wrote in a statement.