Assertion: tuba's valve | /r/CapableOf | lower the key
Facets:
value: to g♭
type: OTHER
value: commonly
type: TEMPORAL
value: to f
type: OTHER
Source sentences:
text: The second valve can only be engaged in conjunction with the first valve, and commonly lowers the key of the trombone to E. With an independent system, the first valve still lowers the key to F, but the second valve commonly lowers the key to G♭ when engaged alone or D when engaged with the first valve.
text: The second valve can only be engaged in conjunction with the first valve, and commonly lowers the key of the trombone to E. With an independent system, the first valve still lowers the key to F, but the second valve commonly lowers the key to G♭ when engaged alone or D when engaged with the first valve.