![](/build/images/logo_left-en.png)
![](/build/images/pl-button.5cab5de0.png)
![](/build/images/pomoc-button.d3d09842.png)
![](/build/images/pomoc-button-en.5098433b.png)
AO
compare
It is highly likely that the a1 note featured in CC - compared to b
1 in the remaining sources - is a mistake of the copyist.
Compare the passage in the sources »
category imprint: Differences between sources
notation: Pitch