diff --git a/show/dance2015/song14.n3 b/show/dance2015/song14.n3
--- a/show/dance2015/song14.n3
+++ b/show/dance2015/song14.n3
@@ -9,13 +9,15 @@
         <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-6> ;
+        <http://light9.bigasterisk.com/show/dance2015/song14/curve-6>,
+        <http://light9.bigasterisk.com/show/dance2015/song14/curve-7> ;
     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-6> .
+        <http://light9.bigasterisk.com/show/dance2015/song14/effect-6>,
+        <http://light9.bigasterisk.com/show/dance2015/song14/effect-7> .
 
 <http://light9.bigasterisk.com/show/dance2015/song14/curve-1> a ns1:Curve ;
     rdfs:label "center" .
@@ -35,6 +37,9 @@
 <http://light9.bigasterisk.com/show/dance2015/song14/curve-6> a ns1:Curve ;
     rdfs:label "frontrand chase" .
 
+<http://light9.bigasterisk.com/show/dance2015/song14/curve-7> a ns1:Curve ;
+    rdfs:label "slow color 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>",
@@ -67,3 +72,13 @@
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song14/curve-6>",
         "out = chase(t, names=frontrand, ontime=.25, offset=0) * env" .
 
+<http://light9.bigasterisk.com/show/dance2015/song14/effect-7> a ns1:Effect,
+        <http://light9.bigasterisk.com/effect/slowColor> ;
+    rdfs:label "slow color chase" ;
+    ns1:code "b = <http://light9.bigasterisk.com/show/dance2013/sub/blue> * nsin((t+.6) / period)",
+        "env = <http://light9.bigasterisk.com/show/dance2015/song14/curve-7>",
+        "out = [r*env,y*env,b*env]",
+        "period = 1",
+        "r = <http://light9.bigasterisk.com/show/dance2013/sub/red> * nsin(t / period)",
+        "y = <http://light9.bigasterisk.com/show/dance2013/sub/yellow> * nsin((t+.3) / period)" .
+