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diff --git a/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/harpsi.dsp b/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/harpsi.dsp
deleted file mode 100644
index 1b5b606..0000000
--- a/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/harpsi.dsp
+++ /dev/null
@@ -1,90 +0,0 @@
-declare name "Harpsichord";
-declare description "Nonlinear WaveGuide Commuted Harpsichord";
-declare author "Romain Michon (rmichon@ccrma.stanford.edu)";
-declare copyright "Romain Michon";
-declare version "1.0";
-declare licence "STK-4.3"; // Synthesis Tool Kit 4.3 (MIT style license);
-declare description "A commuted WaveGuide Harpsichord."; 
-
-import("music.lib");
-import("instrument.lib");
-
-//==================== GUI SPECIFICATION ================
-
-freq = nentry("h:Basic_Parameters/freq [1][unit:Hz] [tooltip:Tone frequency]",440,20,20000,1);
-gain = nentry("h:Basic_Parameters/gain [1][tooltip:Gain (value between 0 and 1)]",0.8,0,1,0.01); 
-gate = button("h:Basic_Parameters/gate [1][tooltip:noteOn = 1, noteOff = 0]");
-
-typeModulation = nentry("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Modulation_Type 
-[2][tooltip: 0=theta is modulated by the incoming signal; 1=theta is modulated by the averaged incoming signal;
-2=theta is modulated by the squared incoming signal; 3=theta is modulated by a sine wave of frequency freqMod;
-4=theta is modulated by a sine wave of frequency freq;]",0,0,4,1);
-nonLinearity = hslider("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Nonlinearity 
-[2][tooltip:Nonlinearity factor (value between 0 and 1)]",0,0,1,0.01);
-frequencyMod = hslider("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Modulation_Frequency 
-[2][unit:Hz][tooltip:Frequency of the sine wave for the modulation of theta (works if Modulation Type=3)]",220,20,1000,0.1);
-
-//==================== PROCESSING ================
-
-//----------------------- Nonlinear filter ----------------------------
-//nonlinearities are created by the nonlinear passive allpass ladder filter declared in filter.lib
-
-//nonlinear filter order
-nlfOrder = 6; 
-
-//nonLinearModultor is declared in instrument.lib, it adapts allpassnn from filter.lib 
-//for using it with waveguide instruments
-NLFM =  nonLinearModulator((nonLinearity : smooth(0.999)),1,freq,
-     typeModulation,(frequencyMod : smooth(0.999)),nlfOrder);
-
-//----------------------- Synthesis parameters computing and functions declaration ----------------------------
-
-//convert a frequency in a midi note number
-freqToNoteNumber = (log-log(440))/log(2)*12+69+0.5 : int;
-freqn = freq : freqToNoteNumber;
-
-//string excitation
-soundBoard = dryTapAmp*noise
-	with{
-		dryTapAmpT60 = ffunction(float getValueDryTapAmpT60(float), <harpsichord.h>,"");
-		noteCutOffTime = freqn : dryTapAmpT60*gain;
-		dryTapAmp = asympT60(0.15,0,noteCutOffTime,gate);
-	};	
-
-//loopfilter is a biquad filter whose coefficients are extracted from a C++ file using the foreign function mechanism
-loopFilter = TF2(b0,b1,b2,a1,a2)
-	   with{
-		//functions are imported from the C++ file
-		loopFilterb0 = ffunction(float getValueLoopFilterb0(float), <harpsichord.h>,"");
-		loopFilterb1 = ffunction(float getValueLoopFilterb1(float), <harpsichord.h>,"");
-		loopFilterb2 = ffunction(float getValueLoopFilterb2(float), <harpsichord.h>,"");
-		loopFiltera1 = ffunction(float getValueLoopFiltera1(float), <harpsichord.h>,"");
-		loopFiltera2 = ffunction(float getValueLoopFiltera2(float), <harpsichord.h>,"");
-		//coefficients are extracted from the functions
-		b0 = loopFilterb0(freqn);
-		b1 = loopFilterb1(freqn);
-		b2 = loopFilterb2(freqn);
-		a1 = loopFiltera1(freqn);
-		a2 = loopFiltera2(freqn);
-	   };
-
-//delay length as a number of samples
-delayLength = SR/freq;
-
-//stereoizer is declared in instrument.lib and implement a stereo spacialisation in function of 
-//the frequency period in number of samples 
-stereo = stereoizer(delayLength);
-
-//----------------------- Algorithm implementation ----------------------------
-
-//envelope for string loop resonance time
-stringLoopGainT = gate*0.9996 + (gate<1)*releaseLoopGain(freqn)*0.9 : smooth(0.999)
-		with{
-			releaseLoopGain = ffunction(float getValueReleaseLoopGain(float), <harpsichord.h>,"");
-		};
-
-//one string
-string = (*(stringLoopGainT)+_ : delay(4096,delayLength) : loopFilter)~NLFM;
-
-process = soundBoard : string : stereo : instrReverb;
-