diff --git a/oregano/Tutorial.md b/oregano/Tutorial.md
index e0a5b10..c93e5c5 100644
--- a/oregano/Tutorial.md
+++ b/oregano/Tutorial.md
@@ -1,22 +1,24 @@
 
 ## Installing
 
-## 1. Installing SuperCollider
+You need to install SuperCollider and the Dr Racket package.
+
+### 1. Installing SuperCollider
 
 Go to https://supercollider.github.io/download.html and download the latest version (3.6.6 as of the time of writing.)
 
 Then follow these instructions per operating system.
 
-### Linux
+#### Linux
 
 - install jack
 
-### Windows
+#### Windows
 
-### Mac OS X
+#### Mac OS X
 
 
-## 2. Installing oregano
+### 2. Installing oregano
 
 This can be installed in two different ways:
 - Either through the command line: `raco pkg install rsc3`
@@ -25,3 +27,14 @@ This can be installed in two different ways:
 
 
 
+## Concepts
+
+You can play notes from instruments on specific tracks.
+
+The purpose of playing notes on different tracks is we can have different filters on different tracks. For example, the melody track can have a low pass filter, and and the drums track could have a delay filter.
+
+
+- Instrument: This is equivalent to choosing what the note sounds like. There are default instruments (saw wave, piano, etc.) and you can also define your own using samples.
+- Note: 
+- Track
+- Filters