![MIRAPHONE on X: "Chris Olka, principal tuba player @CincySymphony is excited about the Miraphone BBb #tuba #Hagen https://t.co/QO7DxciDjB" / X MIRAPHONE on X: "Chris Olka, principal tuba player @CincySymphony is excited about the Miraphone BBb #tuba #Hagen https://t.co/QO7DxciDjB" / X](https://pbs.twimg.com/media/DTMoMxaVoAEdT01.jpg)
MIRAPHONE on X: "Chris Olka, principal tuba player @CincySymphony is excited about the Miraphone BBb #tuba #Hagen https://t.co/QO7DxciDjB" / X
Alexander Rogge on X: "The Tubafours! perform at @theusarmyband 2019 Tuba-Euphonium Workshop; featuring Gail Robertson & Carmen Russo on euphonium, and Willie Clark & Chris Olka on tuba. #Tubafours #Euphonium #Tuba #Quartet #
![WEEKEND: Tuba impresario to be featured Saturday at Port Angeles Symphony concerts | Peninsula Daily News WEEKEND: Tuba impresario to be featured Saturday at Port Angeles Symphony concerts | Peninsula Daily News](https://www.peninsuladailynews.com/wp-content/uploads/2017/11/news_301319975_AR_0_0.jpg)