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![El asesinato de Johann Sebastian Bach [The Murder of Johann Sebastian Bach]](https://m.media-amazon.com/images/I/812DGXTbPNL.jpg)
A Musical Mystery Featuring Johann Sebastian Bach (The Bach Musical Mystery Series, Book 1)
![Johann Sebastian Bach: Die Geheimnisse der Harmonie [Johann Sebastian Bach: The Secrets of Harmony]](https://m.media-amazon.com/images/I/81lZlpcT0GL.jpg)
A Musical Mystery Featuring Johann Sebastian Bach (The Bach Musical Mystery Series, Book 2)
