Music Theory
Build scales and chords from any root with note names, intervals, and a highlighted piano keyboard; convert notes to frequency and MIDI number; and transpose a run of notes by any number of semitones.
C
R
D
M2
E
M3
F
P4
G
P5
A
M6
B
M7
C
R
E
M3
G
P5
- Note
- A4
- Frequency
- 440.00 Hz
- MIDI number
- 69
- Reference
- A4 = 440 Hz
D
C
F#
E
A
G