diff --git a/index.html b/index.html
index 65b6e57..21df54c 100644
--- a/index.html
+++ b/index.html
@@ -142,6 +142,7 @@
 <option value="E,B,E,G#,B,E">Open E</option>
 <option value="D,G,D,G,B,D">Open G</option>
 <option value="C,G,C,G,C,E">Open C</option>
+<option value="C,G,C,E,G,C">Open C v2</option>
 <option value="D,D,D,D,D,D">Ostrich</option>
 </select>
 
@@ -270,6 +271,8 @@
 <option value="D,A,D,F#,A,D">Open D</option>
 <option value="E,B,E,G#,B,E">Open E</option>
 <option value="D,G,D,G,B,D">Open G</option>
+<option value="C,G,C,G,C,E">Open C</option>
+<option value="C,G,C,E,G,C">Open C v2</option>
 <option value="D,D,D,D,D,D">Ostrich</option>
 </select>