diff --git a/cantorial-pv.scd b/cantorial-pv.scd
new file mode 100644
index 0000000..5408325
--- /dev/null
+++ b/cantorial-pv.scd
@@ -0,0 +1,81 @@
+(
+~bufA = Buffer.read(s, "/home/lcoogan/snd/ardour/cantorial loops/export/malavksy_shomea_00.wav");
+~bufB = Buffer.read(s, "/home/lcoogan/snd/ardour/cantorial loops/export/malavksy_shomea_01.wav");
+)
+
+
+{
+    PlayBuf.ar(1, ~bufA, BufRateScale.kr(~bufA), doneAction: 2)
+}.play;
+
+
+~bufA.play;
+
+(
+SynthDef(\spectralDiff, {
+	var sigA, sigB, chain, chainA, chainB, diff, out;
+
+	sigA = PlayBuf.ar(1, ~bufA, BufRateScale(~bufA));
+	sigB = PlayBuf.ar(1, ~bufB, BufRateScale(~bufB));
+
+	chainA = FFT(LocalBuf(2048), sigA);
+	chainB = FFT(LocalBuf(2028), sigB);
+
+	chain = PV_Add(chainA, chainB);
+
+	out = IFFT(chain);
+
+	Out.ar(0, out.dup * 20);
+}).play;
+)
+
+
+
+(
+SynthDef(\testFFT, {
+    var sig, chain, out;
+
+    sig = PlayBuf.ar(1, ~bufA, BufRateScale.kr(~bufA), doneAction: 2);
+    chainA = FFT(LocalBuf(2048), sig);
+	chain
+    out = IFFT(chain);  // No spectral processing, just pass-through
+
+    Out.ar(0, out.dup);
+}).play;
+)
+
+
+
+
+(
+SynthDef(\specMorph, {
+    | morphAmt = 0.5 |  // morph between 0 and 1
+    var a, b, fftA, fftB, morphed, out;
+
+    // Playback (mono)
+    a = PlayBuf.ar(1, ~bufA, BufRateScale.kr(~bufA), loop: 0);
+    b = PlayBuf.ar(1, ~bufB, BufRateScale.kr(~bufB), loop: 0);
+
+    // FFT
+    fftA = FFT(LocalBuf(2048), a);
+    fftB = FFT(LocalBuf(2048), b);
+
+
+	morphed = PV_Mul(fftA, fftB, morphAmt);
+	morphed = PV_Morph(morphed, fftA);
+	morphed = PV_MagBelow(morphed, 800);
+
+
+    // Resynthesize
+    out = IFFT(morphed);
+
+	// out = FreeVerb.ar(out, room:1);
+
+	// out = Compander.ar(out, control:0.0, thresh: 0.01, slopBelow:0.2, slopAbove:1.0, clampTime:0.1, relaxTime:0.3);
+
+	// out = RHPF.ar(out, 1000, 0.3);
+	out = Fold.ar(out, -20, 20);
+
+    Out.ar(0, out.dup * 0.1);
+}).play;
+)