Example song built using swara-music.

SampleSong.scala

import Key._
import Phrase._
import Pitch._

// C Major Chord.
val cmaj = Set(
  Note(Pitch(C, 4), volume = 0.60),
  Note(Pitch(E, 4), volume = 0.50),
  Note(Pitch(G, 4), volume = 0.45)
)
  
// C Major 7 Chord.
val cmaj7 = cmaj :+ Note(Pitch(B, 3), volume = 0.50)

// G Major 7 Chord.
val gmaj = Set(
  Note(Pitch(G, 4), volume = 0.60),
  Note(Pitch(B, 4), volume = 0.50),
  Note(Pitch(D, 5), volume = 0.45)
)

// G Major 7 Chord.
val gmaj7 = gmaj :+ Note(Pitch(F, 3), volume = 0.50)
    
// Piano Phrase.
val piano = Phrase(
  program = GrandPiano,
  voices = Set(
    Voice(Seq(
      Chord(cmaj, Length(1, 4)),
      Chord(gmaj, Length(1, 2)),
      Chord(cmaj, Length(1, 4)))), 
    Voice(Seq(
      Chord(cmaj7, Length(1, 4)),
      Chord(gmaj7, Length(1, 4)),
      Chord(cmaj7, Length(1, 16)),
      Chord(gmaj7, Length(1, 16)),
      Chord(cmaj7, Length(1, 16)),
      Chord(gmaj7, Length(1, 16)))),
  )
)

// Guitar Phrase.
val guitar = new Phrase(
  program = AcousticGuitar,
  voices = Set(
    Voice(Seq(
      Chord(cmaj,  Length(1, 8)),
      Chord(gmaj7, Length(1, 8)),
      Chord(gmaj7, Length(3, 4))))
  )
)

// Song Fragment.
val fragment = Fragment(
  key = GMajor,
  tempo = Tempo(signature = Length(4, 4), bpm = 120.0),
  phrases = Map(0 -> piano, 1 -> guitar)
)

// Song.
val song = Song(Seq(fragment))