diff --git a/oregano/Hacking.md b/oregano/Hacking.md
index c1b4f38..7219083 100644
--- a/oregano/Hacking.md
+++ b/oregano/Hacking.md
@@ -24,7 +24,14 @@ One tricky part was a difference in the list representations between r6rs scheme
 
 ## Features added
 
-It would be hard for first year students to use rsc3 directly. 
+It would be hard for first year students to use rsc3 directly, so I created simplified functions to perform common tasks of creating and controlling sounds.
+
+### Instruments
+
+
+One main feature of SuperCollider is the Synthdef.
+
+Students could create instruments with parameters that could be changed in real-time.
 
 
 ## Outline
diff --git a/oregano/instrument.rkt b/oregano/instrument.rkt
index 9325c41..8c5d719 100644
--- a/oregano/instrument.rkt
+++ b/oregano/instrument.rkt
@@ -115,6 +115,7 @@
 
 (define (play-note-at start dur inst-name freq)
   (define node-id (gen-node-id))
+  ;; TODO (if ((eq? start 0) 
   (send-msg (bundle start (mcons (s-new0 inst-name node-id 1 1)
                                   (mcons (n-set1 node-id "freq" freq) '()))))
   (send-msg (bundle (+ start dur) (mcons
diff --git a/oregano/notes.md b/oregano/notes.md
index 6cb2841..1bc6710 100644
--- a/oregano/notes.md
+++ b/oregano/notes.md
@@ -23,7 +23,7 @@ or /Applications/...
 
 #### Ubuntu 12.10
 
-
+o
 Used [supercollider 3.6.6 ppa](https://launchpad.net/~supercollider/+archive/ppa) for ubuntu 12.10
 
 Jackd needs to use the alsa driver, no real time, no mem lock, Audio: Playback Only.
@@ -155,6 +155,13 @@ Rutz, H. H. (2010). "Rethinking the SuperCollider Client...". Proceedings of Sup
 - code to compile a synthdef: `src/overtone/sc/synth.clj`
 - code defines syntdef format: `src/overtone/sc/machinery/synthdef.clj`
 
+- using:
+in project page:
+    lein repl
+    (use 'overtone.core)
+    (connect-external-server 57110)
+
+
 
 ### RSC3 (Scheme)