04
Drone
Major · A4 440
Dark
Root
Ready
A4 440
A
3
Major · A C♯ E
01
Root
Octave 3
♭
−1 st
Space
Start
♯
+1 st
O
Oct 3
02
Chord
Tones
03
Voice
Timbre
Breathe
04
Calibrate
415–466
A4 reference · Hz
−
440
+
05
Tones
Hz