Question: are Richard Hagopian and Onno Tunç both musicians ?
Sentence (from "Onno Tunç"): Ohannes Tunçboyacıyan (a.k.a. Onno Tunç; Armenian: Օհաննես Թունչբոյաջյան ; December 20, 1948 - January 14, 1996) was a leading Armenian-Turkish musician, working mainly as a composer and an arranger.
Relevant evidence: Yes