Antonio Caldara (1670-1736): Prelude
This piece reminds me of famous quotes by Beethoven:
My dear boy, the startling effects which many credit to the natural genius of the composer, are often achieved with the greatest ease by the use and resolution of the diminished seventh chords.
Source: Selections from Wegweiser die Orgel recht zu schlagen (1692) and Manuductio ad organum (1748).
ü(Commer,_Franz)