are Richard Hagopian and Onno Tunç both musicians ?
Richard Hagopian Richard Avedis Hagopian (born 3 April 1937) is an American Oriental-style "oud" player and traditional Armenian musician.
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.