diff --git a/show/dance2015/effectClass.n3 b/show/dance2015/effectClass.n3
--- a/show/dance2015/effectClass.n3
+++ b/show/dance2015/effectClass.n3
@@ -88,18 +88,18 @@ effect:backChaseSlower a :EffectClass;
   :code "out = chase(t, names=backchase, ontime=.7, offset=-.11) * env" .
 
 chase:frontrand a :Chase; :channels (
-<http://light9.bigasterisk.com/theater/piedmont/channel/f11-blue>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f11>
 <http://light9.bigasterisk.com/theater/piedmont/channel/f3>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f8-fill>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f9-pool-r>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f8>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f9>
 <http://light9.bigasterisk.com/theater/piedmont/channel/f10>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f1-blue>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f4-pool-l>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f5-fill>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f1>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f4>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f5>
 <http://light9.bigasterisk.com/theater/piedmont/channel/f7>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f2>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f2-out>
 <http://light9.bigasterisk.com/theater/piedmont/channel/sharlyn>
-<http://light9.bigasterisk.com/theater/piedmont/channel/f12-purp>
+<http://light9.bigasterisk.com/theater/piedmont/channel/f12-out>
 ) .
 
 
diff --git a/show/dance2015/sessions/curvecalc/default.n3 b/show/dance2015/sessions/curvecalc/default.n3
--- a/show/dance2015/sessions/curvecalc/default.n3
+++ b/show/dance2015/sessions/curvecalc/default.n3
@@ -4,5 +4,5 @@
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<http://light9.bigasterisk.com/show/dance2015/sessions/curvecalc/default> ns1:currentSong <http://light9.bigasterisk.com/show/dance2015/song15> .
+<http://light9.bigasterisk.com/show/dance2015/sessions/curvecalc/default> ns1:currentSong <http://light9.bigasterisk.com/show/dance2015/song14> .
 
diff --git a/show/dance2015/sessions/keyboardcomposer/default.n3 b/show/dance2015/sessions/keyboardcomposer/default.n3
--- a/show/dance2015/sessions/keyboardcomposer/default.n3
+++ b/show/dance2015/sessions/keyboardcomposer/default.n3
@@ -29,7 +29,7 @@
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/815737034>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/86661074>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/993407436> ;
-    ns1:windowGeometry "692x790+2233+317" .
+    ns1:windowGeometry "692x790+2033+296" .
 
 <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/122321463> a ns1:SubSetting ;
     ns1:level 0e+00 ;
diff --git a/show/dance2015/song14.n3 b/show/dance2015/song14.n3
--- a/show/dance2015/song14.n3
+++ b/show/dance2015/song14.n3
@@ -8,12 +8,14 @@
         <http://light9.bigasterisk.com/show/dance2015/song14/curve-2>,
         <http://light9.bigasterisk.com/show/dance2015/song14/curve-3>,
         <http://light9.bigasterisk.com/show/dance2015/song14/curve-4>,
-        <http://light9.bigasterisk.com/show/dance2015/song14/curve-5> ;
+        <http://light9.bigasterisk.com/show/dance2015/song14/curve-5>,
+        <http://light9.bigasterisk.com/show/dance2015/song14/curve-6> ;
     ns1:effect <http://light9.bigasterisk.com/show/dance2015/song14/effect-1>,
         <http://light9.bigasterisk.com/show/dance2015/song14/effect-2>,
         <http://light9.bigasterisk.com/show/dance2015/song14/effect-3>,
         <http://light9.bigasterisk.com/show/dance2015/song14/effect-4>,
-        <http://light9.bigasterisk.com/show/dance2015/song14/effect-5> .
+        <http://light9.bigasterisk.com/show/dance2015/song14/effect-5>,
+        <http://light9.bigasterisk.com/show/dance2015/song14/effect-6> .
 
 <http://light9.bigasterisk.com/show/dance2015/song14/curve-1> a ns1:Curve ;
     rdfs:label "center" .
@@ -30,6 +32,9 @@
 <http://light9.bigasterisk.com/show/dance2015/song14/curve-5> a ns1:Curve ;
     rdfs:label "whiteLed" .
 
+<http://light9.bigasterisk.com/show/dance2015/song14/curve-6> a ns1:Curve ;
+    rdfs:label "frontrand chase" .
+
 <http://light9.bigasterisk.com/show/dance2015/song14/effect-1> a ns1:Effect ;
     rdfs:label "center" ;
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song14/curve-1>",
@@ -56,3 +61,9 @@
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song14/curve-5>",
         "out = [Strip.solid('LR', (1,1,1)) * env, Strip.solid('W', (1,.5,.5)) * env]" .
 
+<http://light9.bigasterisk.com/show/dance2015/song14/effect-6> a ns1:Effect,
+        <http://light9.bigasterisk.com/effect/frontrandChase> ;
+    rdfs:label "frontrand chase" ;
+    ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song14/curve-6>",
+        "out = chase(t, names=frontrand, ontime=.25, offset=0) * env" .
+
diff --git a/show/dance2015/song14/curve-2.n3 b/show/dance2015/song14/curve-2.n3
--- a/show/dance2015/song14/curve-2.n3
+++ b/show/dance2015/song14/curve-2.n3
@@ -4,5 +4,5 @@
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<http://light9.bigasterisk.com/show/dance2015/song14/curve-2> ns1:points "0 0 2.643 0 4.643 0.8086 62.11 0.8086 66.81 0.2543 95.05 0.2543 106.9 1 163.5 1 165.2 0" .
+<http://light9.bigasterisk.com/show/dance2015/song14/curve-2> ns1:points "0 0 2.643 0 4.643 0.8086 62.11 0.8086 66.81 0.2543 95.05 0.2543 106.9 0.6035 163.5 0.6035 165.2 0" .
 
diff --git a/show/dance2015/song14/curve-3.n3 b/show/dance2015/song14/curve-3.n3
--- a/show/dance2015/song14/curve-3.n3
+++ b/show/dance2015/song14/curve-3.n3
@@ -4,5 +4,5 @@
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<http://light9.bigasterisk.com/show/dance2015/song14/curve-3> ns1:points "0 0 2.629 0 4.629 0.4531 97.86 0.4531 108.7 0.884 163.1 0.9067 164.5 0.4531 165.3 0" .
+<http://light9.bigasterisk.com/show/dance2015/song14/curve-3> ns1:points "0 0 2.629 0 4.629 0.4531 97.86 0.4531 108.7 0.5564 163.1 0.5706 164.5 0.4531 165.3 0" .
 
diff --git a/show/dance2015/song14/curve-6.n3 b/show/dance2015/song14/curve-6.n3
new file mode 100644
--- /dev/null
+++ b/show/dance2015/song14/curve-6.n3
@@ -0,0 +1,8 @@
+@prefix ns1: <http://light9.bigasterisk.com/> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+
+<http://light9.bigasterisk.com/show/dance2015/song14/curve-6> ns1:points "0 0 4.246 0 6.246 1 146.7 1 154.6 0" .
+
diff --git a/show/dance2015/song9.n3 b/show/dance2015/song9.n3
--- a/show/dance2015/song9.n3
+++ b/show/dance2015/song9.n3
@@ -8,8 +8,10 @@
         <http://light9.bigasterisk.com/show/dance2015/song9/curve-2>,
         <http://light9.bigasterisk.com/show/dance2015/song9/curve-3>,
         <http://light9.bigasterisk.com/show/dance2015/song9/curve-4>,
-        <http://light9.bigasterisk.com/show/dance2015/song9/curve-5> ;
+        <http://light9.bigasterisk.com/show/dance2015/song9/curve-5>,
+        <http://light9.bigasterisk.com/show/dance2015/song9/curve-6> ;
     ns1:effect <http://light9.bigasterisk.com/show/dance2015/song9/effect-1>,
+        <http://light9.bigasterisk.com/show/dance2015/song9/effect-2>,
         <http://light9.bigasterisk.com/show/dance2015/song9/effect-3>,
         <http://light9.bigasterisk.com/show/dance2015/song9/effect-5> .
 
@@ -33,11 +35,20 @@
 <http://light9.bigasterisk.com/show/dance2015/song9/curve-5> a ns1:Curve ;
     rdfs:label "blue" .
 
+<http://light9.bigasterisk.com/show/dance2015/song9/curve-6> a ns1:Curve ;
+    rdfs:label "mid chase" .
+
 <http://light9.bigasterisk.com/show/dance2015/song9/effect-1> a ns1:Effect ;
     rdfs:label "song9" ;
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song9/curve-1>",
         "out = <http://light9.bigasterisk.com/show/dance2015/sub/song9> * env" .
 
+<http://light9.bigasterisk.com/show/dance2015/song9/effect-2> a ns1:Effect,
+        <http://light9.bigasterisk.com/effect/midChase> ;
+    rdfs:label "mid chase" ;
+    ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song9/curve-6>",
+        "out = chase(t, names=midrand, ontime=.3, offset=-.11) * env" .
+
 <http://light9.bigasterisk.com/show/dance2015/song9/effect-3> a ns1:Effect ;
     rdfs:label "full" ;
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song9/curve-3>",
diff --git a/show/dance2015/song9/curve-6.n3 b/show/dance2015/song9/curve-6.n3
new file mode 100644
--- /dev/null
+++ b/show/dance2015/song9/curve-6.n3
@@ -0,0 +1,8 @@
+@prefix ns1: <http://light9.bigasterisk.com/> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+
+<http://light9.bigasterisk.com/show/dance2015/song9/curve-6> ns1:points "0 0 0.1 0 2.1 1 20.75 1 22.75 0" .
+