This audio file demonstrates the GC mutations with the GO Flutes 8' & 4' of the 4-manual Caen extension. The stops appear in the following order:
1) Quinte 2 2/3'
2) Octavin 2'
3) Tierce 1 3/5'
4) Larigot 1 1/3'
5) Septième 1 1/7'
6) Piccolo 1'
7) Neuvième 8/9'
8) Sesquialtera II