J. S. Bach - Toccata for Clavier in C minor BWV 911 (1/2) - Glenn Gould
J. S. Bach - Toccata for Clavier in C minor BWV 911 (2/2) - Glenn Gould
Bach Partita No.6 - Toccata by Glenn Gould
Bach, Toccata and Fugue in D minor, organ
Note: Bach's most famous organ piece, with a bar-graph score - the bar-graph is amazing!