Inventio 1（BWV 772）

Johann Sebastian Bach

Inventio 1（BWV 772a）

Johann Sebastian Bach

Inventio 4（BWV 775）

Johann Sebastian Bach

Inventio 8（BWV 779）

Johann Sebastian Bach

4级-A-1.Prelude in C minor, BWV 999

Johann Sebastian Bach

8-A-1.Prelude and Fugue in B flat - Prelude (BWV 866)

Bach

8-A-1.Prelude and Fugue in B flat - Fugue (BWV 866)

Bach

24.Marche

Carl Philipp Emanuel Bach

B-1.Sonata in B Minor I (Wq 62：22, H 132)

Carl Philipp Emanuel Bach

Solfeggio

Carl Phillipp Ernanuel Bach