Circle of Fifths
click any note to set your root · ⟳ fifths · ⟲ fourths · straight across = tritone
under the hands
as written
Thirds by key colour
the one thing you mug up — so learn it as a shape your hand makes, not a name
The tritone clock
six diameters — click a line or a note
Turn it upside-down
lift the bottom note an octave and you have the other half of the pair
The ruler — all twelve from one root
the page Jason asks you to write out by hand, drawing itself
Four characters
resolution · anticipation · mystery · tension — his own classification
Flatten it, sharpen it
one number, every quality it can take
The sargam ladder
twelve keys, sixteen swara names, seventy-two melakarta
Two thirds make a chord
what intervals are for — stack them and invert them
Scale gym
run these from your root until the distances live in your fingers