diff --git a/main.ck b/main.ck
index e5c9ef3..ca4f989 100644
--- a/main.ck
+++ b/main.ck
@@ -11,8 +11,6 @@ adc => LiSa sample => mixer;  // Sampler
 
 // Levels
 //0 => adc.gain;
-1 => sample.feedback;
-.5 => sample.gain;
 .5 => adcThru.gain;
 
 // Start recording and playing in a loop
diff --git a/run.sh b/run.sh
index aa0cace..c62451a 100755
--- a/run.sh
+++ b/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
-#chuck --bufsize64 scratch.ck
-chuck --bufsize64 main.ck &
-python ./main.py
-pkill -SIGINT chuck
+chuck --bufsize64 scratch.ck
+#chuck --bufsize64 main.ck &
+#python ./main.py
+#pkill -SIGINT chuck
 
diff --git a/scratch.ck b/scratch.ck
index 881362d..e362bca 100644
--- a/scratch.ck
+++ b/scratch.ck
@@ -1,27 +1,48 @@
-// Effects chain
-Gain mixer => dac;            // Main mixer
-adc => Gain adcThru => mixer; // Monitor the input
-adc => LiSa sample => mixer;  // Sampler
-// TODO: turn off adcThru when recording
+public class SampleChan
+{
+    // Chain
+    LiSa sample => LPF filter;
+
+    // Setup
+    UGen @ mySource;
+    10::second => sample.duration; //This is the max duration
+    0::second => sample.recPos => sample.playPos;
+    1.0 => sample.feedback;
+    1 => sample.loop;
+    setLoopPoint(1::second);
+    filter.set(10000, 1);
 
-//Times
-10::second => sample.duration;
-0::second => sample.recPos;
-0::second => sample.playPos;
-1::second => sample.loopEnd => sample.loopEndRec;
+    public void setLoopPoint( dur length ) {
+        length => sample.loopEnd => sample.loopEndRec;
+    }
 
-// Start recording and playing in a loop
-1 => sample.loop => sample.record => sample.play; 
+    public void outputTo(UGen ugen) { 
+        1 => sample.play; 
+        filter => ugen; 
+    }
 
-// Levels
-//0 => adc.gain;
-1 => sample.feedback;
-.5 => sample.gain;
-.5 => adcThru.gain;
+    public void recordFrom(UGen ugen) {
+        1 => sample.record;
+        ugen => sample;
+        ugen @=> mySource;
+    }
 
-.5::second => now;
-2::second => sample.loopEnd => sample.loopEndRec;
+    public void stopRecording() {
+        0 => sample.record;
+        mySource =< sample; 
+    }
+}
+
+// Effects chain
+Gain mixer => dac;              // Main mixer
+//adc => Gain adcThru => mixer; // Monitor the input
+SampleChan sample;              // Sampler
 
+sample.outputTo(mixer);
+sample.recordFrom(adc);
 
+2::second => now;
+sample.stopRecording();
+5::second=>now;
 
-while(true) { 1::second => now; }
+/*while(true) { 1::second => now; }*/