   player.rest 2
   player.chord 'C4', pick: '1202120', duration: 10
 
-t3 = ->
+piece 'chord progression', ->
   player.progression 'I Ib Ic ii IV iii IVb V7 V7b V7c Ic Ib I'
   , pick: '0121'
   , chord_separation: 0

player = @Player

t1 = ->
  player.note 'c4'
  player.note 'e4', start: 1/2
  player.note 'g4', start: 1

  player.note 'e4', start: 2.5, gain: 0.2
  player.note 'g4', start: 3, gain: 0.2

piece 'arpeggiated chords', ->
  player.chord 'C4', pick: '0121212'
  player.rest 2
  player.chord 'F4', pick: '0121212'
