are Richard Hagopian and Onno Tunç both musicians ?
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. Tunç also played bass guitar and occasionally double bass, contributing to the albums of several musicians. He was the elder brother of musician Arto Tunçboyacıyan.
Steady Bongo lansana Sheriff (born on August 28, 1966 in Daru, Kailahun District, Sierra Leone) popularly known by his stage name Steady Bongo, is an internationally recognized Sierra Leonean musician and record producer. He is one of the most famous musicians from Sierra Leone.