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/song16> .
+<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
@@ -20,6 +20,7 @@
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/483305466>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/498522978>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/555253481>,
+        <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/605795374>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/607059053>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/608338830>,
         <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/661711525>,
@@ -93,6 +94,10 @@
     ns1:level 0e+00 ;
     ns1:sub <http://light9.bigasterisk.com/show/dance2013/sub/blue> .
 
+<http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/605795374> a ns1:SubSetting ;
+    ns1:level 0e+00 ;
+    ns1:sub <http://light9.bigasterisk.com/show/dance2015/sub/strobe> .
+
 <http://light9.bigasterisk.com/show/dance2015/sessions/keyboardcomposer/default/map/607059053> a ns1:SubSetting ;
     ns1:level 0e+00 ;
     ns1:sub <http://light9.bigasterisk.com/show/dance2015/sub/neo2> .
diff --git a/show/dance2015/song7.n3 b/show/dance2015/song7.n3
--- a/show/dance2015/song7.n3
+++ b/show/dance2015/song7.n3
@@ -5,6 +5,7 @@
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 <http://light9.bigasterisk.com/show/dance2015/song7> ns1:curve <http://light9.bigasterisk.com/show/dance2015/song7/curve-1>,
+        <http://light9.bigasterisk.com/show/dance2015/song7/curve-10>,
         <http://light9.bigasterisk.com/show/dance2015/song7/curve-2>,
         <http://light9.bigasterisk.com/show/dance2015/song7/curve-3>,
         <http://light9.bigasterisk.com/show/dance2015/song7/curve-4>,
@@ -14,6 +15,7 @@
         <http://light9.bigasterisk.com/show/dance2015/song7/curve-8>,
         <http://light9.bigasterisk.com/show/dance2015/song7/curve-9> ;
     ns1:effect <http://light9.bigasterisk.com/show/dance2015/song7/effect-1>,
+        <http://light9.bigasterisk.com/show/dance2015/song7/effect-10>,
         <http://light9.bigasterisk.com/show/dance2015/song7/effect-2>,
         <http://light9.bigasterisk.com/show/dance2015/song7/effect-3>,
         <http://light9.bigasterisk.com/show/dance2015/song7/effect-4>,
@@ -26,6 +28,9 @@
 <http://light9.bigasterisk.com/show/dance2015/song7/curve-1> a ns1:Curve ;
     rdfs:label "orange" .
 
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-10> a ns1:Curve ;
+    rdfs:label "center" .
+
 <http://light9.bigasterisk.com/show/dance2015/song7/curve-2> a ns1:Curve ;
     rdfs:label "cyc" .
 
@@ -55,6 +60,11 @@
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song7/curve-1>",
         "out = <http://light9.bigasterisk.com/show/dance2013/sub/orange> * env" .
 
+<http://light9.bigasterisk.com/show/dance2015/song7/effect-10> a ns1:Effect ;
+    rdfs:label "center" ;
+    ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song7/curve-10>",
+        "out = <http://light9.bigasterisk.com/show/dance2015/sub/center> * env" .
+
 <http://light9.bigasterisk.com/show/dance2015/song7/effect-2> a ns1:Effect ;
     rdfs:label "cyc" ;
     ns1:code "env = <http://light9.bigasterisk.com/show/dance2015/song7/curve-2>",
diff --git a/show/dance2015/song7/curve-1.n3 b/show/dance2015/song7/curve-1.n3
--- a/show/dance2015/song7/curve-1.n3
+++ b/show/dance2015/song7/curve-1.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/song7/curve-1> ns1:points "0 0 3.478 0 28.09 0.5201 99.43 0.5425 121.7 0.801 122.8 0 139.4 0 379.9 1 383.2 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-1> ns1:points "0 0 3.478 0 7.697 0.2998 28.09 0.5201 99.43 0.5425 121.7 0.801 122.8 0 139.4 0 215.8 0 221.7 1 263.2 0.9944 266.4 0.5907 277.7 0.6011 279.6 0.9914 381.7 1 384.9 0 386.5 0" .
 
diff --git a/show/dance2015/song7/curve-10.n3 b/show/dance2015/song7/curve-10.n3
new file mode 100644
--- /dev/null
+++ b/show/dance2015/song7/curve-10.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/song7/curve-10> ns1:points "0 0 288.9 0 293.4 1 321.2 1 323.2 0" .
+
diff --git a/show/dance2015/song7/curve-2.n3 b/show/dance2015/song7/curve-2.n3
--- a/show/dance2015/song7/curve-2.n3
+++ b/show/dance2015/song7/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/song7/curve-2> ns1:points "0 0 7.225 0 18.54 1 83.07 1 86.89 0 121.5 0 123.1 1 381.8 1 383.8 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-2> ns1:points "0 0 7.225 0 18.54 1 83.07 1 86.89 0 120.1 0 120.3 1 215.1 1 215.9 0 378.7 0 383.8 0" .
 
diff --git a/show/dance2015/song7/curve-3.n3 b/show/dance2015/song7/curve-3.n3
--- a/show/dance2015/song7/curve-3.n3
+++ b/show/dance2015/song7/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/song7/curve-3> ns1:points "0 0 123.1 0 124.5 1 358 1 377.8 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-3> ns1:points "0 0 123.1 0 132.1 0 214.3 0 216 1 260.1 1 263.4 0 325.5 0 355.7 0 377.8 0" .
 
diff --git a/show/dance2015/song7/curve-5.n3 b/show/dance2015/song7/curve-5.n3
--- a/show/dance2015/song7/curve-5.n3
+++ b/show/dance2015/song7/curve-5.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/song7/curve-5> ns1:points "0 0 126.6 0 130.7 0.5585 289.6 0.5501 381.2 1 383.2 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-5> ns1:points "0 0 126.6 0 130.7 0.5585 260.7 0.5516 264.7 0.078 277.9 0.08789 279.4 0.3074 306.5 0.3038 309.3 0.5153 321.4 0.5126 325.4 0.7221 365.2 0.6926 381.8 1 383.8 0" .
 
diff --git a/show/dance2015/song7/curve-6.n3 b/show/dance2015/song7/curve-6.n3
--- a/show/dance2015/song7/curve-6.n3
+++ b/show/dance2015/song7/curve-6.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/song7/curve-6> ns1:points "0 0 372.2 0 374.2 1 382 1 384 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-6> ns1:points "0 0 373.6 0 375.6 1 382 1 384 0" .
 
diff --git a/show/dance2015/song7/curve-8.n3 b/show/dance2015/song7/curve-8.n3
--- a/show/dance2015/song7/curve-8.n3
+++ b/show/dance2015/song7/curve-8.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/song7/curve-8> ns1:points "0 0 120.6 0 120.6 1 142.7 1 144.7 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-8> ns1:points "0 0 120.2 0 120.3 1 164 1 166 0" .
 
diff --git a/show/dance2015/song7/curve-9.n3 b/show/dance2015/song7/curve-9.n3
--- a/show/dance2015/song7/curve-9.n3
+++ b/show/dance2015/song7/curve-9.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/song7/curve-9> ns1:points "0 0 0.1 0 2.1 1 21.26 1 23.26 0" .
+<http://light9.bigasterisk.com/show/dance2015/song7/curve-9> ns1:points "50.98 0 129.7 0 130.4 1 152.8 1 153.1 0" .