Step 4: Let’s get our heads back into C major again, drawing the scale in for a low synth part. So the point of the music ‘being in C major’ is that every instrument only uses notes from this scale.

Designed by a piano novice/aspiring musician as a quick reference tool, it displays 48 common scales, 60 basic chords and a wealth of essential music theory, all on one illustrated poster. It's ...