The major scale is the most important scale in music. It is the scale that every other scale gets compared to. So, here is the way to figure out a major scale from the root note.
To create the major scale briefly, you simply find the root note, then find the notes in this order: Tone, tone, semi-tone, tone, tone, tone, semi-tone.
So, if you ever forget what the order is, simply go back to the scale of C and try to figure out the distance between each note. Below is an example in the key of E.
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