diff --git a/Midterm.md b/Midterm.md
index 6aa2fd2..a78a848 100644
--- a/Midterm.md
+++ b/Midterm.md
@@ -1,4 +1,8 @@
-# Fun with Signals
+# Audio Visualization for less than $10!
+
+## TODO: introduction
+
+## TODO: Block diagram
 
 ## Input signal: ["Line level"](https://en.wikipedia.org/wiki/Line_level)
 
@@ -107,20 +111,19 @@ For example, $G_2 = 440 \times 2^{\left(\frac{-26}{12}\right)} \approx 98 \ \tex
 
 - How precise should I be?
 
-<details> Because of the *quality factor* ($Q$) of the band-pass
-filters we're going to construct, the precision of your measurement
-here is not important past the first one or two significant
-figures. If you can't tell between 800 Hz and 810 Hz, don't fret
-it. (Get it? Fret?)  </details>
+  Because of the *quality factor* ($Q$) of the band-pass filters we're
+  going to construct, the precision of your measurement here is not
+  important past the first one or two significant figures. If you
+  can't tell between 800 Hz and 810 Hz, don't fret it. (Get it? Fret?)
 
 #### Our values
 
 | A440, note | Frequency, Hz | Frequency, rad./s |
-|-----------|---------------|-------------------|
-| $G_4$     | 392           |   2463                |
-| $G_2$     | 98            |                   |
-| $G_8$     | 5588          |    35108          |
+|------------|---------------|-------------------|
+| $G_2$      | 98            | 616               |
+| $G_4$      | 392           | 2463              |
+| $G_8$      | 5588          | 35108             |
 
-### An aside about the attributes of passive bandpass filters
+### An aside about the attributes of (passive) bandpass filters
 
-Band-pass filters .,.,.
+TODO: Band-pass filters .,.,.