On Thursday, the sad news of Linkin Park lead singer Chester Bennington's death shocked music fans everywhere.
TMZ reported that the singer committed suicide by hanging at a private residence in Palos Verdes Estates in Los Angeles County. He was 41.
After his exit from the Stone Temple Pilots, Bennington led Linkin Park to become one of the most iconic rock groups in music history.
But that wasn't his only project. Bennington worked with a number of artists throughout his career on some amazing collaborations -- here are 5 of his collaborations you need to hear.