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Musical scales — Music, 7–10 years

A musical scale is an ordered path of notes moving up or down, giving melodies a set of steps to travel through.

Idea

A scale is a musical staircase. You move through notes in order, either climbing higher or walking lower, instead of jumping randomly. The familiar do–re–mi–fa–sol–la–ti–do is one example; the last do is the same note-name as the first, but higher.

Why

Melodies need a reliable collection of notes, so musicians can sing, play and remember them together. Scales organise the space between a low and high version of a note and give composers patterns for building tunes. People developed different scales in different musical traditions because each culture found useful ways to arrange pitch.

Worked example

Build a C major scale on a keyboard. Start at C, then play the white keys in order: C, D, E, F, G, A, B, C. Say the note names as you play. The final C is one octave above the first, so the path has reached the same named step at a higher height.

Common trap

It is easy to think a scale is just “all the notes” or that every scale must use the same seven steps. That seems sensible when the white keys of a piano are your first example. But scales can have different numbers of notes and different gaps; they are ordered choices, not one universal recipe.

Where it is used

Scales help when a child learns a song on piano, recorder, guitar or another instrument. Warm-up exercises often run up and down a scale to make fingers and voices ready. Film music and game music also choose particular scales to create a musical world, though a scale alone does not decide every feeling.

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