key signature
US /ˈkiː ˌsɪɡ.nə.tʃər/
UK /ˈkiː ˌsɪɡ.nə.tʃər/
1.
armadura de clave, signatura de clave
any of several combinations of sharps or flats on a musical staff at the beginning of a composition, indicating the key in which the composition is written
:
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The pianist checked the key signature before starting the piece.
El pianista revisó la armadura de clave antes de empezar la pieza.
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Changing the key signature alters the pitch of many notes.
Cambiar la armadura de clave altera el tono de muchas notas.