March in G Sample  Lesson Sample by J.S. Bach. (Downloadable) From the Notebook for Anna Magdelena BWV Anh. 124. Late Beginner Level. This arrangement is from the famous "Notebook for Anna Magdalena" which was a volume of songs J.S. Bach presented to his second wife full of minuets, marches, sonatinas, etc. This notebook has become very popular through the years because it contains pieces of an intermediate level that help to hone the essential skills needed for proficient keyboard playing. This lesson starts with a full demonstration followed by a two to four measure sectional lesson of the entire song describing notes and fingering.