--- a/show/dance2014/effectClass.n3	Sun Jun 15 20:14:07 2014 +0000
+++ b/show/dance2014/effectClass.n3	Sun Jun 15 20:14:35 2014 +0000
@@ -5,6 +5,8 @@
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
+@prefix ch: <http://light9.bigasterisk.com/theater/piedmont/channel/> .
+@prefix chase: <http://light9.bigasterisk.com/chase/> .
 
 # when these are inserted, a curve called 'env' will be added to this
 # code, so multiply by that. Also if you mention 'music' anywhere, an
@@ -13,7 +15,7 @@
 
 effect:cycFlash a :EffectClass;
   rdfs:label "cycFlash";
-  :code "out = <http://light9.bigasterisk.com/show/dance2013/sub/cyc> * nsin(t*2)" .
+  :code "out = <http://light9.bigasterisk.com/show/dance2013/sub/cyc> * nsin(t*2) * env" .
 
 # Notes for quneo pads:
 # 48 49 50 51
@@ -38,7 +40,7 @@
   :quneoNote 37;
   :code 
     "out = [env * p1, env * p2, env * p4]",
-    "p1 = env * <http://light9.bigasterisk.com/show/dance2013/sub/blue> * .3",
+    "p1 = <http://light9.bigasterisk.com/show/dance2013/sub/blue> * .3",
     "p2 = Strip.solid('LR', (0,0,1))",
     "p4 = Blacklight(1)" 
     .
@@ -46,7 +48,7 @@
     
 effect:whiteLed a :EffectClass;
   rdfs:label "whiteLed";
-  :code "out = Strip.solid('LR', (1,1,1))" .
+  :code "out = Strip.solid('LR', (1,1,1)) * env" .
 
     
 effect:slowColor a :EffectClass;
@@ -60,4 +62,21 @@
     "out = [r*env,y*env,b*env]"
     .
 
-    
\ No newline at end of file
+chase:backchase a :Chase; :channels (
+<http://light9.bigasterisk.com/theater/piedmont/channel/b14-yel>
+<http://light9.bigasterisk.com/theater/piedmont/channel/b15-red>
+<http://light9.bigasterisk.com/theater/piedmont/channel/b21-edge>
+<http://light9.bigasterisk.com/theater/piedmont/channel/b22-c>
+<http://light9.bigasterisk.com/theater/piedmont/channel/b26-edge>
+<http://light9.bigasterisk.com/theater/piedmont/channel/b32-red>
+<http://light9.bigasterisk.com/theater/piedmont/channel/b34-yel>
+) .
+
+
+effect:backChase a :EffectClass;
+  rdfs:label "back chase";
+  :code "out = chase(t, names=backchase, ontime=.3, offset=-.11) * env" .
+
+effect:backChaseSlower a :EffectClass;
+  rdfs:label "back chase slower";
+  :code "out = chase(t, names=backchase, ontime=.7, offset=-.11) * env" .