diff --git a/show/dance2009/subs/blacklight b/show/dance2009/subs/blacklight
new file mode 100644
--- /dev/null
+++ b/show/dance2009/subs/blacklight
@@ -0,0 +1,4 @@
+_:sCfvkKgT58 <http://light9.bigasterisk.com/level> "1"^^<http://www.w3.org/2001/XMLSchema#decimal>.
+_:sCfvkKgT58 <http://light9.bigasterisk.com/channel> <http://light9.bigasterisk.com/theater/piedmont/channel/blacklight>.
+<http://light9.bigasterisk.com/sub/blacklight> <http://light9.bigasterisk.com/lightLevel> _:sCfvkKgT58.
+<http://light9.bigasterisk.com/sub/blacklight> <http://www.w3.org/2000/01/rdf-schema#label> "blacklight".