Music theory library with midi, notes, chords, scales, and more
```rust use music_note::{midi, Chord, Pitch};
let chord = Chord::from_midi( midi!(C, 4), [midi!(E, 3), midi!(G, 3), midi!(C, 4)] );
asserteq!(chord.tostring(), "C/E");
let pitches = [Pitch::E, Pitch::G, Pitch::C]; assert!(chord.into_iter().eq(pitches)); ```