sharp sign 升号
flat sign 降号
musical key 调性
tonic 主音
1. The key signature of C Major has no sharps or flats.
C大调的调号没有升号或降号。
1. Please check the key signature before you start playing.
开始演奏前请检查一下调号。
A: What is the key signature of this piece?
A：这首曲子的调号是什么？
B: It is in G Major, so it has one sharp.
B：它是G大调，所以有一个升号。
1) 音乐术语：调号
2) 乐谱中用于指示音阶性质的符号组合
1. 调号
e.g.
The piece is written in a key signature with three flats.
这首曲子是用三个降号的调号写的。
noun phrase
1. A set of sharps or flats at the beginning of a musical staff indicating the key.