Updated notes for this week's pieces

README.md

@@ -99,5 +99,27 @@ reverb
 
 Using the Fibonacci series modulo n, also known as the (Pisano period)[https://en.wikipedia.org/wiki/Pisano_period], as a wavetable, and incrementing n for each note in the sequence
 
+### 21 Jacob's Ladder
 
+Deliberate FM synthesis by using a wavetable as the control voltage of a VCO
 
+### 22 Onomatopoeia
+
+Triggering LFO patterns from the sequencer
+
+### 23 Ha Ha
+
+Using the triggering stuff from 22 to build a track with more structure
+
+### 24 Wander
+
+Another 7TET piece using the sequencer
+
+### 25 Ribosome
+
+Using the sequencer to trigger envelopes and LFOs at two scales - notes and
+bars
+
+### 26
+
+Basic slew / portamento