HF website

I have added 4 more articles to the Huygens-Fokker website
http://www.xs4all.nl/~huygensf

Anton de Beer: The Development of 31-tone Music
Adriaan Fokker: Equal Temperament and the Thirty-one-keyed Organ
Siemen Terpstra: Toward a theory of meantone (and 31-ET) harmony
Siemen Terpstra: An integrated colour-code for microtonal guitar fret-boards

Click on "Literature" to access these.

Also obtainable in MP3, Dick Visser: Quintierens (1998) for
quartertone guitar, played by Wim Hoogewerf. Click on "Music".

Manuel Op de Coul coul@ezh.nl