MusicKit is a framework and DSL for creating, analyzing, and transforming music in Swift.

Related tags

Audio MusicKit
Overview

MusicKit

MusicKit is a framework and DSL for creating, analyzing, and transforming music in Swift.

Examples

Functional harmony

let C5 = Pitch(midi: 72)
let neapolitan = Major.bII
print(neapolitan(C5))               // [C♯5, E♯5, G♯5]
let G4 = Chroma.G*4
let plagalCadence = [Major.IV, Major.I]
print(plagalCadence * G4)           // [[C5, E5, G5], [G4, B4, D5]]
let V7ofV = HarmonicFunction.create(Scale.Major, degree: 5, chord: Major.V7)
print(V7ofV(C5))                    // [D6, F♯6, A6, C7]

Chord recognition

let pitchSet: PitchSet = [Chroma.B*0, Chroma.Cs*2, Chroma.F*3, Chroma.G*4]
print(Chord.name(pitchSet))        // G7♭5/B
let descriptor = Chord.descriptor(pitchSet)
print(descriptor)                  // root: G, quality: 7♭5, bass: B

MIDI I/O

let midi = MIDI(name: "WholetoneClusters")
midi.noteHandler = { messages in
    if let first = messages.first {
        midi.send([first, first.transpose(2), first.transpose(3)])
    }
}

Framework Overview

Comments
  • Swift 3 Migration

    Swift 3 Migration

    ping @benzguo

    Migrated the Framework to Swift 3. Might be worth having a more in-depth look at the changes, but it now compiles without warnings and runs all tests, although I had to do a minor change to the PitchSetTest which might be worth looking at more closely.

    opened by mfk-ableton 4
  • iOS keyboard

    iOS keyboard

    • scrollable (bottom/top scrollbar)
    • stretchable (within octaves)
    • xy vibrato-able
    • force-touchable

    https://medium.com/@rknla/exploring-apple-s-3d-touch-f5980ef45af5

    opened by benzguo 3
  • Cleanup: Add unused pragmas where needed

    Cleanup: Add unused pragmas where needed

    ping @benzguo

    This doesnt build with Warnings as Errors and a higher than default setting of warnings due to unused variables. Thus we need to insert pragmas where needed.

    opened by sieren 2
  • Added temperament (just, equal, pytha)

    Added temperament (just, equal, pytha)

    Hi,

    I've added 3 temperaments that can be easily expanded to more if needed (one only needs the ratios). I decided to put the temperament as global var (similar to concertA) since it seems to me it's not something related to any other context but the global context.

    opened by valentinradu 1
  • how to play a midi with Chord ..

    how to play a midi with Chord ..

    the chaosHarmonizer example don't run everything..

    let midi = MIDI(name: "ChaosHarmonizer")
        midi.noteHandler = { messages in
            if let first = messages.first {
                if first.on {
                    let possibleChords = [
                        ChordQuality.Major,
                        ChordQuality.Minor,
                        ChordQuality.Sus2,
                        ChordQuality.Sus4,
                    ]

'''
    opened by laidingqing 1
  • Improve PitchClass

    Improve PitchClass

    Initing a pitch with PitchClass should be more concise.

    Also, the correct term seems to be Chroma. a pitch class is the set of all pitches with the same chroma.

    Pitch(pitchClass: .Gs, octave: 4) or even PitchClass.Gs_4

    opened by benzguo 0
  • Swift 5 ready. Migrated to SPM (without breaking the Xcode-based build system)

    Swift 5 ready. Migrated to SPM (without breaking the Xcode-based build system)

    Hey. I've updated the code to compile under Swift 5. All the tests are passing. Can you please have a look and maybe we push a new version? :) Cheers!

    opened by valentinradu 1
  • Sharps only

    Sharps only

    Hi, I've been having a look at this great resource and was wondering how we would go about making sure when you print the scale like A Major it prints --> [A4, B4, C♯5, D5, E5, F♯5, A♭5] Though A major only has sharps. So the A♭5 should be G#5. I'm looking in the Pitch.swift file and wondering would this be the place to assign the Note and Sharp type if it is a sharp key? Thanks in advance for your help. I look forward to talking with you. Regards Gerard

    opened by Ged2323 0
  • iOS example project with AudioKit

    iOS example project with AudioKit

    The flagship example project should:

    • run on iOS
    • not require a MIDI keyboard
      • keyboard on screen (use keyboard from Taptone)
    • produce sound (using AudioKit)
    opened by benzguo 0
Releases(0.2.0)
Owner
Ben Guo
vagabond of dreams
Ben Guo
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