key signature
US /ˈkiː ˌsɪɡ.nə.tʃər/
UK /ˈkiː ˌsɪɡ.nə.tʃər/

1.
tanda nada, kunci tanda
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.
Pemain piano memeriksa tanda nada sebelum memulakan lagu.
•
Changing the key signature alters the pitch of many notes.
Mengubah tanda nada mengubah pic banyak not.