"Glenn Gould - Hereafter" is a fascinating documentary that delves into the life and work of the legendary Canadian pianist Glenn Gould. Gould was celebrated for his interpretations of Bach's keyboard works and also played pieces by Beethoven, Mozart, Haydn, Brahms, and other composers from the Baroque, Classical, and Romantic periods. His playing was distinguished by remarkable technical proficiency and a unique ability to articulate the contrapuntal texture of Bach's music.