diff --git a/oregano/system.rkt b/oregano/system.rkt
index 269d738..14760d6 100644
--- a/oregano/system.rkt
+++ b/oregano/system.rkt
@@ -4,21 +4,51 @@
 
 (provide (all-defined-out))
 
+(define (sc-running/unix?)
+  (system "ps -e | grep scsynth | grep -v grep > /dev/null"))
+
+
+(define (get-scsynth-path/osx)
+  (define path1 "/Applications/SuperCollider/SuperCollider/SuperCollider.app/Contents/Resources/scsynth")
+  (define path2 "/Volumes/SuperCollider/SuperCollider/SuperCollider.app/Contents/Resources/scsynth")
+  (cond [(file-exists? path1) path1]
+         [(file-exists? path2) path2]
+         [else (error "Could not find scsynth for running SuperCollider")]))
+
 ;; run scsynth
 (define (run-super-collider)
-  (display "in run-super-collider\n")
+  ;(display "in run-super-collider\n")
   (match (system-type 'os)
-    ('unix (if (system "ps -e | grep scsynth > /dev/null")
+    ('unix (if (sc-running/unix?)
                (display "SuperCollider Running\n")
                (begin
                  (display "Starting SuperCollider...")
                  (process "./start_server_linux.sh")
                  (sleep 0.5)
-                 (if (system "ps -e | grep scsynth > /dev/null")
+                 (if (sc-running/unix?)
                      (display "OK\n")
                      (display "Error\n")))))
-    ('macosx 1)
-    ('windows  1)
+    ('macosx (if (sc-running/unix?)
+               (display "SuperCollider Running\n")
+               (begin
+                 (display "Starting SuperCollider...")
+                 (process* (get-scsynth-path/osx) "-u" "57110")
+                 (sleep 0.5)
+                 (if (sc-running/unix?)
+                     (display "OK\n")
+                     (display "Error\n")))))
+    ('windows 1)
+    (else 1)))
+
+(define (stop-super-collider)
+  ;(display "in run-super-collider\n")
+  (match (system-type 'os)
+    ('unix 1)
+    ('macosx (begin
+               (display "Stopping SuperCollider...")
+               (process "pkill scsynth")
+               (display (if (sc-running/unix?) "Error stopping\n" "OK\n"))))
+    ('windows 1)
     (else 1)))
 
 (run-super-collider)
\ No newline at end of file