diff --git a/show/dance2019/effect/effect21.n3 b/show/dance2019/effect/effect21.n3
new file mode 100644
--- /dev/null
+++ b/show/dance2019/effect/effect21.n3
@@ -0,0 +1,12 @@
+@prefix : .
+@prefix dev: .
+@prefix effect: .
+@prefix rdf: .
+@prefix rdfs: .
+@prefix show: .
+@prefix xml: .
+@prefix xsd: .
+
+
+effect:effect21 a :Effect; rdfs:label "blueright"; :publishAttr :strength; :setting effect:effect21_set2 .
+effect:effect21_set2 :device dev:down_R_blue; :deviceAttr :brightness; :scaledValue 1 .