Scales
Major, minor and the modes, as blocks of notes you can slide. Switch to fifths order to see why the modes belong together.
Home note
Scale
C major
C D E F G A B
Steps: 2 2 1 2 2 2 1
The seven modes, brightest to darkest
In fifths order they are one block of seven. Each step darker moves the home note one notch further along it.