key signature

US /ˈkiː ˌsɪɡ.nə.tʃər/
UK /ˈkiː ˌsɪɡ.nə.tʃər/
"key signature" picture
1.

armadura de clave, assinatura 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

:
The pianist checked the key signature before starting the piece.
O pianista verificou a armadura de clave antes de começar a peça.
Changing the key signature alters the pitch of many notes.
Mudar a armadura de clave altera o tom de muitas notas.