Question: WHo is a Grammy winning American musician of Armenian descent, Armen Nalbandian or Arto Tunçboyacıyan?
Sentence (from "Armen Nalbandian"): Armen Nalbandian (born April 6, 1978 in Manchester, England) is a jazz pianist, composer, author, and activist from Los Angeles, California, known for his multidisciplinary collaborations in visual and fine art.
Relevant evidence: Yes