Which is the correct description of sharp and flat?
A、Bothsharpandflataretoraisetherealnotebyhalfnote.;
B、Sharpandflatareusedtoraisetherealnotebyasemibreve;
C、Thesharpistoraisethenotebyahalfnote.;
D、Flatistoreducethenotebyahalfnote.
发布时间：2025-05-18 04:21:44
