diff --git a/release-packaging/Classes/FluidBufNMF.sc b/release-packaging/Classes/FluidBufNMF.sc
index 5f42b73..0a5c05d 100644
--- a/release-packaging/Classes/FluidBufNMF.sc
+++ b/release-packaging/Classes/FluidBufNMF.sc
@@ -1,5 +1,5 @@
 FluidBufNMF {
-	*process { arg server,  srcBufNum, startAt = 0, nFrames = -1, startChan = 0, nChans = -1, dstBufNum, dictBufNum, dictFlag = 0, actBufNum, actFlag = 0, rank = 1, nIter = 100, sortFlag = 0, winSize = 1024, hopSize = 512, fftSize = -1, winType = 0, randSeed = -1;
+	*process { arg server,  srcBufNum, startAt = 0, nFrames = -1, startChan = 0, nChans = -1, dstBufNum, dictBufNum, dictFlag = 0, actBufNum, actFlag = 0, rank = 1, nIter = 100, sortFlag = 0, winSize = 1024, hopSize = -1, fftSize = -1, winType = 0, randSeed = -1;
 
 		if(srcBufNum.isNil) { Error("Invalid buffer").format(thisMethod.name, this.class.name).throw};
 
@@ -8,6 +8,6 @@ FluidBufNMF {
 		dictBufNum = dictBufNum ? -1;
 		actBufNum = actBufNum ? -1;
 
-		server.sendMsg(\cmd, \BufNMF, srcBufNum, startAt, nFrames, startChan, nChans, dstBufNum, dictBufNum, dictFlag, actBufNum, actFlag, rank, nIter, winSize, hopSize,fftSize);
+		server.sendMsg(\cmd, \BufNMF, srcBufNum, startAt, nFrames, startChan, nChans, dstBufNum, dictBufNum, dictFlag, actBufNum, actFlag, rank, nIter, winSize, hopSize, fftSize);
 	}
-}
\ No newline at end of file
+}
diff --git a/release-packaging/HelpSource/Classes/FluidBufNMF.schelp b/release-packaging/HelpSource/Classes/FluidBufNMF.schelp
index 5c61110..b5e60bf 100644
--- a/release-packaging/HelpSource/Classes/FluidBufNMF.schelp
+++ b/release-packaging/HelpSource/Classes/FluidBufNMF.schelp
@@ -128,7 +128,8 @@ Routine {
 	b.sine2([500],[1], false, false);
 	c.sine2([5000],[1],false, false);
 	s.sync;
-	FluidBufCompose.process(s,srcBufNumA:b.bufnum, srcBufNumB:c.bufnum,dstStartAtB:44100,dstBufNum:d.bufnum);
+	FluidBufCompose.process(s,b.bufnum, dstBufNum:d.bufnum);
+	FluidBufCompose.process(s,c.bufnum, dstStartAt:44100, dstBufNum:d.bufnum, dstGain:1);
 	s.sync;
 	d.query;
 }.play;
@@ -173,7 +174,7 @@ y = Buffer.new(s);
 ~fft_size = 1024;
 ~frame_size = 512;
 ~hop_size = 256;
-~which_rank = 0;
+~which_rank = 3;
 )
 
 // matrix factorisation, requesting everything
@@ -244,8 +245,8 @@ CODE::
 b = Buffer.read(s,File.realpath(FluidBufNMF.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-AaS-AcousticStrums-M.wav");
 c = Buffer.new(s);
 x = Buffer.new(s);
-e = Buffer.alloc(s,1,1);
-y = Buffer.alloc(s,1,1);
+e = Buffer.new(s);
+y = Buffer.new(s);
 )
 
 // train only 2 seconds
@@ -259,7 +260,7 @@ Routine {
 
 // find the rank that has the picking sound by changing which channel to listen to
 (
-	~element = 9;
+	~element = 4;
 	{PlayBuf.ar(10,c.bufnum)[~element]}.play
 )
 
@@ -267,11 +268,11 @@ Routine {
 (
 Routine{
 	z = (0..9);
-	FluidBufCompose.process(s,srcBufNumA: x.bufnum, startChanA: z.removeAt(~element), nChansA: 1, srcBufNumB: e.bufnum,  dstBufNum: e.bufnum);
+	FluidBufCompose.process(s, x.bufnum, startChan: z.removeAt(~element), nChans: 1, dstBufNum: e.bufnum);
     s.sync;
     e.query;
     s.sync;
-	z.do({|chan|FluidBufCompose.process(s,srcBufNumA: x.bufnum, startChanA:chan, nChansA: 1, dstStartChanA: 1, srcBufNumB: e.bufnum, dstBufNum: e.bufnum)});
+	z.do({|chan| FluidBufCompose.process(s, x.bufnum, startChan:chan, nChans: 1, dstStartChan: 1, dstBufNum: e.bufnum, dstGain:1)});
     s.sync;
     e.query;
 }.play;
@@ -312,7 +313,8 @@ Routine {
 	b.sine2([500],[1], false, false);
 	c.sine2([5000],[1],false, false);
 	s.sync;
-	FluidBufCompose.process(s,srcBufNumA:b.bufnum, srcBufNumB:c.bufnum,dstStartAtB:44100,dstBufNum:d.bufnum);
+	FluidBufCompose.process(s,b.bufnum, dstBufNum:d.bufnum);
+	FluidBufCompose.process(s,c.bufnum, dstStartAt:44100, dstBufNum:d.bufnum, dstGain:1);
 	s.sync;
 	d.query;
 }.play;