diff --git a/show/dance2009/subterms/song17.n3 b/show/dance2009/subterms/song17.n3
--- a/show/dance2009/subterms/song17.n3
+++ b/show/dance2009/subterms/song17.n3
@@ -1,30 +1,35 @@
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://light9.bigasterisk.com/expression> "bow(t)".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/bow>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://www.w3.org/2000/01/rdf-schema#label> "bow".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://light9.bigasterisk.com/expression> "cast1(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://light9.bigasterisk.com/expression> "patios(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://www.w3.org/2000/01/rdf-schema#label> "patios".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/patios>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://light9.bigasterisk.com/expression> "cast1(t)+song17(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://www.w3.org/2000/01/rdf-schema#label> "song17".
 <http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/song17>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://www.w3.org/2000/01/rdf-schema#label> "song17".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://light9.bigasterisk.com/expression> "cast3(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://www.w3.org/2000/01/rdf-schema#label> "song17c3".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/song17c3>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/> <http://light9.bigasterisk.com/expression> "chase1(t) * chase(t, names=cycline, ontime=.2, offset=0) + chase1(t) *  chase(t, names=back, ontime=.3, offset=0)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/> <http://www.w3.org/2000/01/rdf-schema#label> "".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://light9.bigasterisk.com/expression> "cast2(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://www.w3.org/2000/01/rdf-schema#label> "song17c2".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/song17c2>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
+<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios>.
 <http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17>.
-<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios>.
+<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3>.
+<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/>.
+<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2>.
 <http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow>.
-<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3>.
 <http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall>.
-<http://light9.bigasterisk.com/show/dance2009/song17> <http://light9.bigasterisk.com/subterm> <http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://light9.bigasterisk.com/expression> "bow(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://www.w3.org/2000/01/rdf-schema#label> "bow".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/bow>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bow> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://light9.bigasterisk.com/expression> "bpurpleall(t)".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://www.w3.org/2000/01/rdf-schema#label> "bpurpleall".
+<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/bpurpleall>.
 <http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://light9.bigasterisk.com/expression> "bpurpleall(t)".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/bpurpleall>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/bpurpleall> <http://www.w3.org/2000/01/rdf-schema#label> "bpurpleall".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://light9.bigasterisk.com/expression> "cast3(t)".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/song17c3>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c3> <http://www.w3.org/2000/01/rdf-schema#label> "song17c3".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://light9.bigasterisk.com/expression> "patios(t)".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/patios>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/patios> <http://www.w3.org/2000/01/rdf-schema#label> "patios".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://light9.bigasterisk.com/Subterm>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://light9.bigasterisk.com/expression> "cast2(t)".
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://light9.bigasterisk.com/sub> <http://light9.bigasterisk.com/sub/song17c2>.
-<http://light9.bigasterisk.com/show/dance2009/song17/subterm/song17c2> <http://www.w3.org/2000/01/rdf-schema#label> "song17c2".