Assertion: trombone's valve | /r/HasProperty | common
Facets:
value: on cc-
type: LOCATION
value: on ♭-tubas
type: LOCATION
Source sentences:
text: While no longer featured in euphoniums for decades, many professional tubas are still built like this, with five valves being common on CC- and BB♭-tubas and five or six valves on F-tubas.[citation needed]