How this term is used In the channel's piano and music theory material, scale positions refers to the different places on the keyboard where a scale can be played — the idea that a scale is not tied to one fixed spot but can be explored from multiple hand positions. When Codex teaches piano and music theory in real time, scale positions are part of understanding how the same musical material maps onto different parts of the instrument[^2f7cb0cf-504c-5929-b1d0-087a648d1172].