Question: What was the production company that released the album that contained "The Black Angel's Death Song"? 
Sentence (from "The Velvet Underground &amp; Nico"): Accompanied by vocalist Nico, the album was recorded in 1966 while the group were featured on Andy Warhol's Exploding Plastic Inevitable multimedia event tour, which gained attention for its experimental performance sensibilities and controversial lyrical topics, including drug abuse, prostitution, sadomasochism and sexual deviancy.
Relevant evidence: No