Diatonic whole stepsconsist of two half steps with adjacent letter names. For example, the whole step shown
below can be written diatonically in two ways.
The following example is nota diatonic whole step because the letter names F and A are not adjacent letters of
the alphabet.
Exercise 10
Below the keyboard, label each pair of keys marked with an Xeither “WS” for whole step or “HS” for half step.
3. 4.
98
X X
Black to BlackG bbA or F ##G
F # Ab
X X
X X X X
HS
X X X X
X X
MODULE 4