diff --git a/rsc3-sine-play.rkt b/rsc3-sine-play.rkt
new file mode 100644
index 0000000..c023542
--- /dev/null
+++ b/rsc3-sine-play.rkt
@@ -0,0 +1,17 @@
+#lang racket
+
+(require "rsc3/rsc3.rkt")
+
+
+;; start udp SuperCollider server with: scsynth -u 57110
+
+(with-sc3 (lambda (fd) (send fd (g-new1 1 add-to-tail 0))))
+
+;; play sin wave
+(audition (out 0 (mul (sin-osc ar 440 0) 0.1)))
+
+;; reset
+; (with-sc3 reset)
+
+
+