Beastie Boys rapper Adam Yauch, aka MCA, has died at the age of 47, according to ABC News. The cause is unclear at this time.In 2009, he had been treated for a cancerous parotid gland and a lymph node, undergoing surgery and radiation therapy.(Photo: Beastie Boys “(You Gotta) Fight For Your Right (To Party)” video)

Beastie Boys rapper Adam Yauch, aka MCA, has died at the age of 47, according to ABC News. The cause is unclear at this time.

In 2009, he had been treated for a cancerous parotid gland and a lymph node, undergoing surgery and radiation therapy.

(Photo: Beastie Boys “(You Gotta) Fight For Your Right (To Party)” video)