Is your feature request related to a problem? Please describe.
The current instrument GUI isn't super usable for puzzle purposes when the user needs to play a specific pattern.

Describe the solution you'd like
A simpler Instrument GUI that can somehow be toggled which only shows a single octave of notes and way fewer informational components and controls.

Describe alternatives you've considered
N/A

Additional context
Suggestion from /u/Seraphaestus on Reddit