«Bossa Nova + PopChord class» by zepadovani

on 16 Nov'16 14:46 in jazzguitarmoogpluckbossabossa novainsensatezchords
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//based on Andrea Valle class for jazz chords originally posted here: https://gist.github.com/vanderaalle/4a638991d313b20fc638f172e3b29add

//also available here: https://gist.github.com/zepadovani/9f6f714a5dec827be2e0ad11a9e4a552

//Class: (see bossa nova example below)

PopChord {
	var <>symbol, <>root, <>name, <>structure, <>transp ;
	classvar <>symbols ;
	classvar <>decay, <>release ;

	*initClass {
		var t ;
		decay = 0.5;
		release = 0.5 ;
		symbols = () ;
		t = " CM M Cmaj	{0,4,7}
Cm C- Cmin	{0,3,7}
C+ Caug CM#5 CM+5 C5+	{0, 4, 8}
C°  Cdim Cmb5 Cm˚5 Cmº5	{0, 3, 6}
C7 Cdom7	{0, 4, 7, 10}
CM7 C7M CMa7 Cj7 Cmaj7 C7+	{0, 4, 7, 11}
CmM7 Cm7M Cm#7 C−M7 Cminmaj7 Cm7+	{0, 3, 7, 11}
Cm7 C-7 Cmin7	{0, 3, 7, 10}
C+M7 C+7M Caugmaj7 CM7#5 CM7+5 C7M#5 C7M5+	{0, 4, 8, 11}
C+7 Caug7 C7#5 C7+5	{0, 4, 8, 10}
 CØ7  Cø7 Cmin7dim5 Cm7b5 Cm7°5 C−7b5 C−7°5	{0, 3, 6, 10}
Co77 Cdim7	{0, 3, 6, 9}
C7b5 Cdom7dim5	{0, 4, 6, 10}
CM9 Cmaj9 C7M9 C7M(9) CM7(9)	{0, 4, 7, 11, 14}
C9 Cdom9 C79 C7(9)	{0, 4, 7, 10, 14}
CmM9 C−M9 Cminmaj9 Cm7M(9) CmM7(9)	{0, 3, 7, 11, 14}
Cm9 C−9 Cmin9 Cm7(9)	{0, 3, 7, 10, 14}
C+M9 Caugmaj9	{0, 4, 8, 11, 14}
C+9 C9#5 Caug9	{0, 4, 8, 10, 14}
CØ9	{0, 3, 6, 10, 14}
CØ9b9	{0, 3, 6, 10, 13}
Cº99 Cdim9	{0, 3, 6, 9, 14}
C°b9 Cºb9 Cdimb9	{0, 3, 6, 9, 13}
C4	{0, 4, 7, 5}
C11 Cdom11	{0, 4, 7, 10, 14, 17}
C4+ C+4	{0, 4, 7, 6}
C7(11)	{0, 4, 7, 10, 17}
CM11 Cmaj11	{0, 4, 7, 11, 14, 17}
CmM11 C−M11 Cminmaj11	{0, 3, 7, 11, 14, 17}
Cm4	{0, 3, 7, 5}
Cm7(11)	{0, 3, 7, 10, 17}
Cm11 C−11 Cmin11	{0, 3, 7, 10, 14, 17}
C+M11 Caugmaj11	{0, 4, 8, 11, 14, 17}
C+11 C11#5 Caug11	{0, 4, 8, 10, 14, 17}
CØ11	{0, 3, 6, 10, 13, 17}
C°11 Cº11	{0, 3, 6, 9, 13, 16}
CM13 Cmaj13	{0, 4, 7, 11, 14, 17, 21}
C13 Cdom13	{0, 4, 7, 10, 14, 17, 21}
CmM13 C−M13 Cminmaj13	{0, 3, 7, 11, 14, 17, 21}
Cm13 C−13 Cmin13	{0, 3, 7, 10, 14, 17, 21}
C+M13 Caugmaj13	{0, 4, 8, 11, 14, 17, 21}
C+13 C13#5 Caug13	{0, 4, 8, 10, 14, 17, 21}
CØ13	{0, 3, 6, 10, 14, 17, 21}
C6 CM6	{0,4,7,9}
C-6 CM-6 C6- CM6-	{0,4,7,8}
Cm6 Cminmaj6	{0,3,7,9}
Cm-6 Cm6-	{0,3,7,8}
C7#9  C7(#9)	{0, 4, 7, 10, 15}
C7b9  C7(b9)	{0, 4, 7, 10, 13}
C7#11 C7(#11)	{0, 4, 7, 10, 19}
C7b11 C7(b11)	{0, 4, 7, 10, 17}
C7b13 C7(b13)	{0, 4, 7, 10, 20}"
		.split($\n)
		.collect{|i| i.split($\t)}.collect{|i|
			[
				i[0].split($\ ).collect{|j|
//					(j != "C").if({
						j.replace("C", "").asSymbol

//				})
				},
				i[1].replace("{", "[").replace("}", "]").interpret

			]
		}.collect{|ch|
			ch[0].do{|key|
				symbols[key] = ch[1]
			}
		};
//		t[0].add(" ");
/*		t.postln;
		symbols.postln;*/

	}

	*new { arg symbol;
		^super.new.initC(symbol)
	}

	*audio {

		Server.local.waitForBoot{
			SynthDef(\piano, {|note = 60, vol = -6, decay, release|
				Out.ar(0,
					MdaPiano.ar(note.midicps, decay:decay, release:release)* vol.dbamp*Line.kr(1,1,6, doneAction:2))
			}).add

		}
	}

	/*
	~getbass = {arg symbol ;

	var hasdifbass,bass;
	hasdifbass = symbol.includes($/);
	bass = ~getRoot.(symbol.split($/).at(1);
	bass;
	}*/
	initC { arg aSymbol ;
		var data, sus, add ;
		var hasOtherBass=false, bass, bassString, bassIsLetter=false;
		var numBassDict;
		numBassDict = Dictionary.with(*[
			"4".asSymbol->5,
			"4+".asSymbol->6,
			"+4".asSymbol->6,
			"5-".asSymbol->6,
			"-5".asSymbol->6,
			"5°".asSymbol->6,
			"5º".asSymbol->6,
			"5".asSymbol->7,
			"5+".asSymbol->8,
			"+5".asSymbol->8,
			"6".asSymbol->9,
			"7-".asSymbol->9,
			"-7".asSymbol->9,
			"7°".asSymbol->9,
			"7º".asSymbol->9,
			"6+".asSymbol->10,
			"+6".asSymbol->10,
			"7".asSymbol->10,
			"7+".asSymbol->11,
			"+7".asSymbol->11,
			"9-".asSymbol->1,
			"-9".asSymbol->1,
			"9".asSymbol->2,
			"9".asSymbol->2,
			"9+".asSymbol->3,
			"+9".asSymbol->3,
			"-10".asSymbol->3,
			"10-".asSymbol->3,
			"10".asSymbol->4,
			"+10".asSymbol->5,
			"10+".asSymbol->5,
			"11-".asSymbol->4,
			"-11".asSymbol->4,
			"11".asSymbol->5,
			"11+".asSymbol->6,
			"+11".asSymbol->6,
			"13-".asSymbol->8,
			"-13".asSymbol->8,
			"13".asSymbol->9,
			"13+".asSymbol->10,
			"+13".asSymbol->10,
		]);

		symbol = aSymbol ;
		transp = 60 ;
		data =  this.getRoot(symbol.asString) ;
		hasOtherBass = symbol.asString.includes($/);
		root = data[0] ;
		name = data[1];
		//		hasOtherBass.postln;
		hasOtherBass.if({
			structure = symbols[symbol.asString.split($/).at(0).replace(name.asString, "")
				.replace("sus", "@").split($@)[0]
				.replace("add", "@").split($@)[0]
				.asSymbol] ;
			bassString = (symbol.asString.split($/).at(1));
			((bassString.at(0).ascii >= 65) && (bassString.at(0).ascii <= 71)).if({
				bassIsLetter = true;
			});
			bassIsLetter.if({
				bass =  this.getRoot(bassString)[0] - root;
			},{
				bass = numBassDict.at(bassString.asSymbol);
			}
			);
		},{
			structure = symbols[symbol.asString.replace(name.asString, "")
				.replace("sus", "@").split($@)[0]
				.replace("add", "@").split($@)[0]
				.asSymbol] ;
		}
		) ;
//		structure.postln;
		structure = structure.collect({arg i; i.asInteger});
		sus = this.processSus(symbol) ;
		if (sus.notNil) {
			structure.remove(3) ;
			structure.remove(4) ;
			structure.add(sus.asInteger)
		} ;
		add = this.processAdd(symbol) ;
		if (add.notNil) {
			structure.add(add.asInteger)
		} ;

		if (bass.notNil) {
			structure = [bass] ++ structure;
		} ;


		//
	}

	processSus {|symbol|
		var sus = nil ;
		if (symbol.asString.contains("sus")){
			sus = symbol.asString.replace("sus", "@").split($@)[1];
			case
			{sus == ""}{sus = 5}
			{sus == [4]}{sus = 5}
			{sus == [2]}{sus = 2}
		} ;
		^sus
	}

	processAdd {|symbol|
		var add = nil ;
		var base ;
		var dict = (\9: 14, \11: 17, \13: 21) ;
		if (symbol.asString.contains("add")){
			add = symbol.asString.replace("add", "@").split($@)[1];
			base = dict[add.replace("b", "").replace("#", "").asSymbol] ;
			add.postln ;
			case {add.split($b)[1].notNil}{
				add = base-1 ;
				"flatten".postln
			}
			{add.split($#)[1].notNil}{
				add = base+1 ;
				"sharpen".postln
			}
			{(add.split($#)[1].isNil) && (add.split($b)[1].isNil) }
			{add = base;
				"no alt".postln
			}
		} ;
		^add
	}

	// c = C('CMadd9') ; // c.structure

	getRoot  { arg symbol ;
		var chr, act, root, rootName, alt ;
		var noteBase = (\C:0,\D:2,\E:4,\F:5,\G:7,\A:9,\B:11) ;
		name = symbol[0] ;
		root = noteBase[name.asSymbol] ;
		if ([$b, $#].includes(symbol[1]) ){
			name = name++symbol[1] ;
			root = root + [-1,1][[$b, $#].indexOf(symbol[1])]
		} ;
		^[root, name.asSymbol] ;
	}

	play {|vol = -9|
		(transp+structure+root).do{|i|
			Synth(\piano,  [\note, i, \vol, vol, \decay, decay, \release, release])
		}
	}

	chordPitches {arg oct=4, men=0;
		var last;
		var sum = 0;
		var out;
		out = (structure.collect({arg i,j;
			(j == 0).if({
				last = i;
			},{
				(i < last).if({
					sum = sum + 12;
					last = i;
					i = i + sum;
				},{
					i = i + sum;
				}
				);
			});
			i - men
		})) + root + 12 + (oct*12);
		^out
	}


}

/*
(
SynthDef(\moogpluck, {arg outbus=0, freq=440, filter=3, amp=1,coef=0.5,dur=2,legato=1,mix=0,pan=0;
	var pluck,moog,noteOff,out;
	pluck =	Pluck.ar(PinkNoise.ar,1,0.2,freq.reciprocal,dur*legato,coef);
	moog = MoogFF.ar(pluck, (freq*filter),2);
	out = SelectX.ar(mix,[LPF.ar(pluck,2500),moog]);
	noteOff = DetectSilence.ar(out,doneAction:2);
	Out.ar(outbus, Pan2.ar(out,pan));
}).add;
)

(
{var chordnotes,bass,up;
	// https://www.youtube.com/watch?v=PHIe9B5plDI :))
	var insensatez = "Bm7 F#/A# Am6 E7/G# G6 C7M/G C#m7/5- F#7(b13) Bm7 D7/A G#º G7M Em7(9) Bm7 D7/A C#7/G# G7M/5- F#7(b13) Bm7 Bm7 F#/A# Am6 E7/G# G6 C7M C#m7/5- F#7(b13) Bm7 D7/A G#º G7M Em7(9) Bm7 D7/A C#7/G# G7M/5- F#7(b13) Bm7";
	var beatmul = (1!18 ++ 1.2 ++ 1!18 ++ 1.2).flat + ({(0.01).rand2}!insensatez.size);
	var upswing = 0.02;
	var insensatezsplit = insensatez.split($ );
	var insensatezChords = insensatezsplit.collect({arg i; PopChord(i)});

	inf.do({arg j;
		insensatezsplit[j.mod(insensatezsplit.size)].post;
		"\t".post;
		chordnotes = insensatezChords[j.mod(insensatezsplit.size)].chordPitches(2);

		chordnotes.midiname.postln;
		chordnotes = chordnotes;
		bass= [chordnotes[0]] ++ [chordnotes[1]] ++ [chordnotes[0]];
		up= [chordnotes[0]] ++ [chordnotes.copyToEnd(2)] ++ [chordnotes.copyToEnd(2)];

		Pbind(\instrument, \moogpluck,
			\freq, Pseq((bass).midicps,1),
			\amp, Pwhite(-2.0,0,3).dbamp,
			\dur, Pseq([0.5,0.5,1]*beatmul[j.mod(insensatezsplit.size)],1),
			\legato,2,
			\pan, Pwhite(-0.1,-0.3,3),
			\mix, Pwhite(0.2,0.3,3),
		).play;

		Pbind(\instrument, \moogpluck,
			\freq, Pseq(up.midicps,1),
			\amp, Pwhite(-10,-8,3).dbamp,
			\dur,Pseq(([0.5,0.75,0.75]*beatmul[j.mod(insensatezsplit.size)]),1) + Pwhite(0 - upswing,upswing,3),
			\coef,0.2,
			\legato,6,
			\mix, Pwhite(0.7,0.8,3),
			\pan, Pwhite(0.1,0.3,3)
		).play;

		(2*beatmul[j.mod(insensatezsplit.size)]).wait;
	});
}.fork
)
)*/
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