Virtuoso 低音號  

調性: 降E調

活塞式按鍵: 3支上方

表面處理: 鍍銀

​無鍍金和快速調音管按鍵(trigger)​

To play, press and hold the enter key. To stop, release the enter key.

press to zoom
press to zoom
press to zoom
press to zoom
press to zoom
press to zoom