Are  Jeff Mangum and Zack de la Rocha in the same industry?
Jeff Mangum: Jeff Mangum (born October 24, 1970) is an American singer, songwriter, and multi-instrumentalist, best known for his work as the lyricist, vocalist and guitarist of the band Neutral Milk Hotel, as well as being one of the cofounders of The Elephant 6 Recording Company. Zack de la Rocha: Zacharias Manuel de la Rocha (born January 12, 1970) is an American musician, poet, rapper, and activist.
yes