(
SynthDef(\mdapianoL, { |out=0, freq=440, gate=1, pan = 0, vel = 100, delaySigma = 0.01, release = 0.1, releaseSigma = 0.03, tune = 0.5|
	var son = MdaPiano.ar(freq, gate, vel,
		release: NRand(-3*releaseSigma, 3*releaseSigma, 50) + release,
		stereo: 0.1,
		tune: tune,
		sustain: 0);
	// son = Rotate2.ar(Select.ar(0, son), Select.ar(1, son), -0.4);
	son = BAllPass.ar(son, 1500, 10);
	son = DelayC.ar(son, delaySigma*6, NRand(0, delaySigma*6, 50));
	son = Balance2.ar(Select.ar(0, son), Select.ar(1, son), pan);
	FreeSelf.kr(DetectSilence.ar(son.abs.sum + Impulse.ar(0)));
	Out.ar(out, son * 0.5);
}).add;

SynthDef(\mdapianoR, { |out=0, freq=440, gate=1, pan = 0, vel = 100, delaySigma = 0.01, release = 0.1, releaseSigma = 0.03, tune = 0.5|
	var son = MdaPiano.ar(freq, gate, vel,
		release: NRand(-3*releaseSigma, 3*releaseSigma, 50) + release,
		stereo: 0.11,
		tune: tune,
		sustain: 0);
	// son = Rotate2.ar(Select.ar(0, son), Select.ar(1, son), -1);
	son = DelayC.ar(son, delaySigma*6, NRand(0, delaySigma*6, 50));
	son = Balance2.ar(Select.ar(0, son), Select.ar(1, son), pan);
	FreeSelf.kr(DetectSilence.ar(son.abs.sum + Impulse.ar(0)));
	Out.ar(out, son * 0.5);
}).add;

SynthDef(\reverb, {|out = 0, mix = 0.33, room = 0.5, damp = 0.5, predelay = 0.02|
	var in = In.ar(out, 2);
	in = FreeVerb2.ar(Select.ar(0, in), Select.ar(1, in), mix, room, damp);
	in = DelayC.ar(in, 0.1, predelay);
	ReplaceOut.ar(out, in);
}).add;

SynthDef(\lpf, {|out = 0, freq = 1200|
	var in = In.ar(out, 2);
	ReplaceOut.ar(out, LPF.ar(in, freq));
}).add;

SynthDef(\delay, {|out = 0, wet = 0.5|
	var in = In.ar(out, 2);
	var delayed = in;
	4.do({ delayed = AllpassN.ar(delayed, 0.14, [0.13888.rand, 0.13888.rand], 1) });
	ReplaceOut.ar(out, ((1 - wet)*in) + (wet*delayed));
}).add;
)



(
var midiPart1, velPart1, sPart1;
var midiPart2L, midiPart2R, velPart2, sPart2;
var midiPart3, velPart3, sPart3;
var velPattern = [
	Pwhite(90, 100,1), // LH
	Pwhite(85, 95, 1)]; // RH
var pianoL, pianoR;
var pan = 0.4;
var verbMix, verbRoom, verbDamp;
// Create a non-linear pattern series from almost zero to almost 1.
var pCrescendo = { |steps = 100, isDec = false|
	var low = -15, high = 15;
	isDec.if(
		{Pseries(high, (low - high)/(steps - 1), steps).distort + 1 * 0.5;},
		{Pseries(low, (high - low)/(steps - 1), steps).distort + 1 * 0.5;}
	);
};
// Create a pattern for a more realistic accelerando of one beat of the number of bars
var pAccel = {|nBars = 10, beats = 6|
	var bar = Array.fill(beats, 1);
	var nBarsAccel = nBars.div(2);
	var accelDur = 1 - (1 / nBarsAccel / beats);
	var patternBars = Array.fill(nBarsAccel, Pseq(bar*accelDur)) ++ Array.fill(nBars - nBarsAccel, Pseq(bar));
	Pshuf(patternBars);
};
~theEnd = false;
~nBars = 0; // Current part length
~phrase = 1; // Phrase number
// Part 1 - 1 to 15
midiPart1 = [64, 66, 71, 73, 74, 66, 64, 73, 71, 66, 74, 73];
sPart1 = midiPart1.size;
velPart1 = Pwhite(0.98, 1)*Pseq(velPattern, sPart1 / 2);
// Part 2 - 16 to 26
midiPart2L = [64, 66, 71, 73, 74, 66, 71, 73];
midiPart2R = [64, 76, 69, 71, 74, 76, 69, 71];
sPart2 = midiPart2L.size;
velPart2 = Pseq(velPattern, sPart2 / 2);
// Part 3 - 26a to 32
midiPart3 = [69, 71, 74, 76];
sPart3 = midiPart3.size;
velPart3 = Pseq(velPattern, sPart3 / 2);
TempoClock.default.tempo = 72*6/60;
// Left piano
// Because of the accelerandos, left piano effectively plays one bar less per part
pianoL = Pbind(
	\instrument, \mdapianoL,
	\midinote, Pseq([
		// 1 - 15
		Pseq([
			Plazy({
				Pseq(midiPart1, ~nBars);
			})
		], 26),
		Plazy({
			Pseq(midiPart1, ~nBars - 1);
		}),
		// 16 - 24
		Pseq([
			Plazy({
				Pseq(midiPart2L, ~nBars);
			})
		], 16),
		Plazy({
			Pseq(midiPart2L, (~nBars - 1));
		}),
		// 25 and 26
		Pseq([
			Plazy({
				Pseq(midiPart2L, ~nBars);
			})
		], 2),
		// 26a
		Pseq([Rest(1)], 2),
		// 27 to 31
		Pseq([
			Plazy({
				Pseq(midiPart3, ~nBars);
			})
		], 9),
		// 32
		// First bar to decide how long
		Pseq(midiPart3, 1),
		Plazy({
			Pseq(midiPart3, ~nBars -1)
		}),
		// Sending the nod from midi instead of vel
		// because the nod has to be sent at the last note (and velPart3 is a pattern)
		Pseq(midiPart3[0..(sPart3 - 2)]),
		Plazy({
			~theEnd = true;
			"*** Noding for end ***".postln;
			Pseq([midiPart3[sPart3 - 1]]);
		}),
		Pseq(midiPart3, 4),
		// And wait
		Rest(10)
	]),
	\dur, 1,
	\vel, Pseq([
		// 1 - 15
		Pseq([
			Plazy({
				Pseq([velPart1], ~nBars);
			})
		], 26),
		Plazy({
			Pseq([velPart1], (~nBars - 1));
		}),
		// 16 to 24
		Pseq([
			Plazy({
				Pseq([velPart2], ~nBars);
			})
		], 16),
		Plazy({
			Pseq([velPart2], (~nBars - 1));
		}),
		// 25
		Plazy({
			Pseq([velPart2], ~nBars) * pCrescendo.value(sPart2 * ~nBars, true);
		}),
		// 26
		Plazy({
			Pseq([velPart2]*0, ~nBars);
		}),
		// 26a
		Pseq([0], 2),
		// 27
		Plazy({
			Pseq([0], sPart3*(~nBars - 1));
		}),
		// Left piano chooses crescendo in phrase 28
		Plazy({
			~nBars = (24..48).choose;
			Pseq([0], sPart3);
		}),
		// 28.1
		Plazy({
			Pseq([velPart3], ~nBars)*pCrescendo.value(sPart3 * ~nBars);
		}),
		// 28.2 to 31
		Pseq([
			Plazy({
				Pseq([velPart3], ~nBars);
			})
		], 7),
		// 32
		// One bar to choose
		Plazy({
			// Leaving two bars at beginning and 4 bars for ending at the end
			~nBars = (18..42).choose;
			Pseq([velPart3], 1);
		}),
		Plazy({
			Pseq([velPart3], ~nBars + 4);
		}),
		// And wait
		Rest(10)
	]),
	\legato, 0.7,
	\release, 0.15,
	\releaseSigma, 0.02,
	\tune, 0.49,
	\pan, (0 - pan)
);
// Right piano
pianoR = Pbind(
	\instrument, \mdapianoR,
	\legato, 0.7,
	\release, 0.10,
	\releaseSigma, 0.03,
	\pan, (pan),
	\vel, Pseq([
		// 1
		Plazy({
			~nBars = (4..8).choose;
			"*** Part 1 ***".postln;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
		Pseq([velPart1]*0, ~nBars);}),
		// 2.1
		Plazy({
			~nBars = (12..18).choose;
			("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
			Pseq([velPart1], ~nBars)*pCrescendo.value(sPart1 * ~nBars);
		}),
		// 2.2
		Plazy({
			~nBars = (4..16).choose;
			("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart1], ~nBars);
		}),
		// 3 to 8
		Pseq([
			Plazy({
				~nBars = (16..24).choose;
				("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
				Pseq([velPart1], ~nBars);
			}),
			Plazy({
				~nBars = (4..16).choose;
				("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
				~phrase = ~phrase + 1;
				Pseq([velPart1], ~nBars);
			})
		], 6),
		// 9 to 13
		Pseq([
			Plazy({
				~nBars = (12..24).choose;
				("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
				Pseq([velPart1], ~nBars);
			}),
			Plazy({
				~nBars = (4..16).choose;
				("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
				~phrase = ~phrase + 1;
				Pseq([velPart1], ~nBars);
			})
		], 5),
		// 14
		Plazy({
			~nBars = (4..8).choose;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart1], ~nBars)*pCrescendo.value(sPart1 * ~nBars, true);
		}),
		// 15
		Plazy({
			~nBars = (4..8).choose;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart1]*0, ~nBars);
		}),
		// 16
		Plazy({
			"*** Part 2 ***".postln;
			~nBars = (6..8).choose;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart2]*0, ~nBars);
		}),
		// 17.1
		Plazy({
			~nBars = (16..32).choose;
			("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
			Pseq([velPart2], ~nBars)*pCrescendo.value(sPart2 * ~nBars);
		}),
		// 17.2
		Plazy({
			~nBars = (6..18).choose;
			("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart2], ~nBars);
		}),
		// 18 to 24
		Pseq([
			Plazy({
				~nBars = (16..32).choose;
				("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
				Pseq([velPart2], ~nBars);
			}),
			Plazy({
				~nBars = (6..18).choose;
				("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
				~phrase = ~phrase + 1;
				Pseq([velPart2], ~nBars);
			})
		], 7),
		// 25
		Plazy({
			~nBars = (8..24).choose;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart2], ~nBars);
		}),
		// 26
		Plazy({
			~nBars = (8..16).choose;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart2], ~nBars);
		}),
		// 26a
		Plazy({
			"*** Part 3 ***".postln;
			Pseq(velPattern); // Just 2 notes
		}),
		// 27
		Plazy({
			~nBars = (8..24).choose;
			("" ++ ~phrase ++ ": " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart3], ~nBars);
		}),
		// 28.1
		Plazy({
			// Left piano chooses crescendo length
			("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
			Pseq([velPart3], ~nBars);
		}),
		// 28.2
		Plazy({
			~nBars = (16..32).choose;
			("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
			~phrase = ~phrase + 1;
			Pseq([velPart3], ~nBars);
		}),
		// 29 to 31
		Pseq([
			Plazy({
				~nBars = (48..60).choose;
				("" ++ ~phrase ++ ".1: " ++ ~nBars).postln;
				Pseq([velPart3], ~nBars);
			}),
			Plazy({
				~nBars = (16..32).choose;
				("" ++ ~phrase ++ ".2: " ++ ~nBars).postln;
				~phrase = ~phrase + 1;
				Pseq([velPart3], ~nBars);
			}),
		], 3),
		// 32
		// Catching up the missing bar and playing one extra to let left decide how long
		Plazy({
			("" ++ ~phrase ++ ": ?").postln;
			Pseq([velPart3], 2);
		}),
		Pif(Pfunc({~theEnd.not}),
			Pseq([
				Plazy({
					Pseq([velPart3]);
				})
			], inf)
		),
		Plazy({
			"*** Nod back ***".postln;
			Pseq([velPart3], 4);
		}),
		// And wait
		Rest(10)
	]),
	\dur, Pseq([
		// 1 & 2.1
		Pseq([Plazy({
			Pseq([1], sPart1*~nBars);
			})
		], 2),
		// 2.2
		Plazy({
			pAccel.value(~nBars, sPart1);
		}),
		// 3 to 13
		Pseq([
			Plazy({
				Pseq([1], sPart1*~nBars);
			}),
			Plazy({
				pAccel.value(~nBars, sPart1);
			}),
		], 11),
		// 14 and 15
		Pseq([Plazy({
			Pseq([1], sPart1*~nBars);
			})
		], 2),
		// 16 and 17.1
		Pseq([Plazy({
			Pseq([1], sPart2*~nBars);
			})
		], 2),
		// 17.2
		Plazy({
			pAccel.value(~nBars, sPart2);
		}),
		// 18 to 24
		Pseq([
			Plazy({
				Pseq([1], sPart2*~nBars);
			}),
			Plazy({
				pAccel.value(~nBars, sPart2);
			}),
		], 7),
		// 25 and 26
		Pseq([
			Plazy({
				Pseq([1], sPart2*~nBars);
			})
		], 2),
		// 26a
		Pseq([1], 2),
		// 27 and 28.1
		Pseq([
			Plazy({
				Pseq([1], sPart3*~nBars);
			})
		], 2),
		// 28.2
		Plazy({
			pAccel.value(~nBars, sPart3);
		}),
		// 29 to 31
		Pseq([
			Plazy({
				Pseq([1], sPart3*~nBars);
			}),
			Plazy({
				pAccel.value(~nBars, sPart3);
			}),
		], 3),
		// 32
		// Catching up and one extra
		Pseq([1], sPart3*2),
		Pif(Pfunc({~theEnd.not}),
			Pseq(Array.fill(sPart3, 1), inf)
		),
		Plazy({
			Pseq([1], sPart3*4)
		}),
		// And wait
		Rest(10)
	]),
	\midinote, Pseq([
		// 1 to 15
		Pseq([
			Plazy({
				Pseq(midiPart1, ~nBars);
			})
		], 27),
		// 16 to 24
		Pseq([
			Plazy({
				Pseq(midiPart2R, ~nBars);
			})
		], 17),
		// 25 and 26 (same as before but for debug reasons)
		Pseq([
			Plazy({
				Pseq(midiPart2R, ~nBars);
			})
		], 2),
		// 26a
		Pseq(midiPart2R[0..1]),
		// 27 to 31
		Pseq([
			Plazy({
				Pseq(midiPart3, ~nBars);
			})
		], 9),
		// 32
		// Catching up and one extra
		Pseq(midiPart3, 2),
		Pif(Pfunc({~theEnd.not}),
			Pseq(midiPart3, inf)
		),
		Pseq(midiPart3, 4),
		// And wait
		Rest(10)
	])
);
verbMix = 0.07;
verbRoom = 0.8;
verbDamp = 1;



pianoL = Pfxb(pianoL, \lpf, \freq, 4000);
pianoL = Pfxb(pianoL, \delay, \wet, 0.10);
pianoL = Pfxb(pianoL, \reverb, \mix, verbMix, \room, verbRoom, \damp, verbDamp);
pianoL.play(quant: 1);

pianoR = Pfxb(pianoR, \lpf, \freq, 3800);
pianoR = Pfxb(pianoR, \delay, \wet, 0.12);
pianoR = Pfxb(pianoR, \reverb, \mix, verbMix, \room, verbRoom, \damp, verbDamp);
pianoR.play(quant: #[1, 0, 0.1]);
)