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.
Håkan Hardenberger Ulf Håkan Hardenberger (born 27 October 1961 in Malmö) is a Swedish trumpeter. Taking up the trumpet at the age of eight under the guidance of hometown teacher Bo Nilsson, Hardenberger pursued further studies at the Paris Conservatoire, with Pierre Thibaud, and in Los Angeles with Thomas Stevens. He has quickly established a career as a virtuoso who possesses not only an impressive command of the classical repertoire, but has also commissioned many new works from contemporary composers, including Harrison Birtwistle, Toru Takemitsu, Hans Werner Henze, Rolf Martinsson, Mark-Anthony Turnage, Heinz Karl Gruber, Benjamin Staern, Brett Dean, Tobias Broström and Arvo Pärt. Hardenberger has been called "the cleanest, subtlest trumpeter on earth" by "The Times".