Crate music21_rs 

Rust helpers inspired by selected parts of Python’s music21.

The crate currently focuses on pitch construction, chord naming and lightweight theory utilities such as polyrhythm and tuning-system helpers.

Re-exports

pub use abc::AbcClef;

pub use abc::abc_chord;

pub use abc::abc_chord_document;

pub use abc::abc_chord_resolution_document;

pub use abc::abc_clef_for_pitches;

pub use abc::abc_duration;

pub use abc::abc_note;

pub use abc::abc_polyrhythm_document;

pub use abc::abc_polyrhythm_voice;

pub use analysis::KeyEstimate;

pub use analysis::estimate_key_from_chords;

pub use analysis::estimate_key_from_pitches;

pub use chord::Chord;

pub use chord::ChordResolutionSuggestion;

pub use chord::GuitarFingering;

pub use chord::GuitarStringFingering;

pub use chord::GuitarTuning;

pub use chord::GuitarTuningString;

pub use chord::IntoNotes;

pub use chord::KnownChordType;

pub use chordsymbol::ChordAlteration;

pub use chordsymbol::ChordQuality;

pub use chordsymbol::ChordSymbol;

pub use duration::Duration;

pub use error::Error;

pub use error::Result;

pub use interval::Interval;

pub use interval::IntervalDirection;

pub use key::Key;

pub use key::KeySignature;

pub use midi::DEFAULT_TICKS_PER_QUARTER;

pub use midi::MidiNote;

pub use midi::midi_notes_from_stream;

pub use midi::read_midi_bytes;

pub use midi::read_midi_bytes_with_tempo;

pub use midi::stream_from_midi_notes;

pub use midi::write_midi_bytes;

pub use note::IntoNote;

pub use note::Note;

pub use pitch::Accidental;

pub use pitch::AccidentalSpecifier;

pub use pitch::CHROMATIC_PITCH_CLASS_NAMES;

pub use pitch::Microtone;

pub use pitch::MicrotoneSpecifier;

pub use pitch::Pitch;

pub use pitch::PitchClass;

pub use pitch::PitchClassSpecifier;

pub use pitch::PitchName;

pub use pitch::PitchOptions;

pub use pitch::pitch_class_name;

pub use polyrhythm::Polyrhythm;

pub use polyrhythm::PolyrhythmAnalysis;

pub use polyrhythm::PolyrhythmEvent;

pub use polyrhythm::PolyrhythmRatioTone;

pub use rest::Rest;

pub use roman::RomanNumeral;

pub use roman::analyze_chord;

pub use roman::analyze_chord_with_root;

pub use scale::DiatonicScale;

pub use stream::Stream;

pub use stream::StreamElement;

pub use stream::StreamEvent;

pub use tuningsystem::ALL_TUNING_SYSTEMS;

pub use tuningsystem::COMMON_TWELVE_TONE_TUNING_SYSTEMS;

pub use tuningsystem::Fraction;

pub use tuningsystem::TuningSystem;

Modules

abc

ABC notation export helpers. Small ABC notation helpers.

analysis

Key-finding and compact analysis helpers.

chord

Chord construction, common-name analysis and chord input conversion traits.

chordsymbol

Lead-sheet chord-symbol parsing.

duration

Rhythmic duration primitives.

error

Error and result types used by the crate.

interval

Public interval parsing, naming and transposition helpers.

key

Public key and key-signature helpers.

midi

Minimal MIDI import/export helpers.

note

Note construction and pitch access helpers.

pitch

Pitch construction, spelling and pitch-space helpers.

polyrhythm

Polyrhythm timing and pitch-set helpers.

rest

Silent duration-bearing musical event.

roman

Roman numeral parsing and compact harmonic analysis.

scale

Public scale helpers.

stream

Small ordered timeline container.

tuningsystem

Tuning-system ratios, labels and frequency helpers.

Type Aliases

FloatType

Floating-point type used for pitch space, quarter lengths, and frequencies.

FractionType

Fraction type used by ratio and interval helpers.

IntegerType

Signed integer type used by music21-rs APIs.

Octave

Optional octave number, matching music21’s absent-octave representation.

UnsignedIntegerType

Unsigned integer type used by count-like music21-rs APIs.