主要有C,D,E,F,G,A,B,等几个调 C调的半音关系:全全半全全全半 G大调:#4 D大调:#4,#1 A大调:#4,#1,#5 E大调:#4,#1,#5,#2 B大调:#4,#1,#5,#2,#6 #F大调:#4,#1,#5,#2,#6,#3 #C大调:#4,#1,#5,#2,#6,#3,#7 F大调:降7 降B大调:降7降3 降E大调:降7降3降6 降A大调:降7降3降6降2 降D大调:降7降3降6降2降5 降G大调:降7降3降6降2降5降1 降C大调:降7降3降6降2降5降1降4