diff --git a/oregano/TODO.md b/oregano/TODO.md
index 39f53e4..d2e1e57 100644
--- a/oregano/TODO.md
+++ b/oregano/TODO.md
@@ -1,13 +1,7 @@
 
 
 
-
-
-## Interface
-
-
-
-### DAW-like model
+## DAW-like model
 
 Oregano will have these concepts/objects:
 
diff --git a/oregano/Tutorial.md b/oregano/Tutorial.md
index c92cae3..0a00187 100644
--- a/oregano/Tutorial.md
+++ b/oregano/Tutorial.md
@@ -77,7 +77,13 @@ You can add filters to a specific track.
 
 ## Functions
 
+### Oscilators
 
+These can be used in defining instruments.
+
+- sin, saw, tringle, square
+
+- 
 
 ### mouse-x and mouse-y
 
@@ -93,17 +99,18 @@ For example, if you want to control the cutoff frequency for a filter using the
 When the mouse is at the left of the screen, the frequency is 200, when the mouse is at the right, the frequency is 500.
 
 
+### Loading samples
+
+* (load-sample file-name)
+
+* (play-sample sample)
+
 
 
 
 ---
 
 
-    (definst supersaw
-        (
-
-
-