Here is a piece of music, which was composed with a sort of 17th century computer called the Organum Mathematicum, devised by Athanasius Kircher and fully described by his pupil and assistant Gaspar Schott:
It was the last post, touching on Robert Fludd’s Temple of Music, which reminded me of my interest in the Organum in around 2007, which is when the above piece was written. Now that I am free of the limitations of LiveJournal, I’d like to use this post to revisit Kircher and Schott’s work.

A surviving Organum Mathematicum (Museo Galileo)