Figure 1 shows the notes A,B,C,D,E,F, and G. The
only letters
possible in the
musical alphabet are A,B,C,D,E,F, and G. After G, the alphabet
repeats (e.g. A,B,C,D,E,F,G,A,B,C...).
Since the musical alphabet repeats, you can have the same
letter in different places. It is the same pitch, just an octave
higher or lower.
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