A, quaver on beat 1; B, quaver on beat 1.5; D, semiquaver on beat 2; E, semiquaver on beat 2.25; F, semiquaver on beat 2.5; G, semiquaver on beat 2.75; A, minim on beat 3
0
A B C D E F G
Change the key and this same phrase is read against the new key's scale — the shape you practise never changes, and the notes can never leave the scale.