02 · Musical Building BlocksLesson 2 of 17About 6 minutes
What you’ll learnWhat musical relationship does Sharp Side Logic reveal, and how can you recognise it?
The Rectangle · Lesson 2
5 | Sharp Side Logic
A positive T value tells how many sharps to take from the fixed sharp order.
Lesson 5Application
1 · Choose a sharp-side tonic
The keyboard shows all required sharps in order and identifies the newest one.
Keyboard visualization — active sharps
Current selection
New sharp added
Sharps in order
How it works: Start on the Fork at F#. Then alternate between Fork and Chopsticks as each new sharp is added.
Fork / odd values
-1 → +1 → +3 → +5
Start at F and add +2 each jump.
Chopsticks / even values
0 → +2 → +4
Start at C and add +2 each jump.