Note - I've gotten mail from Ross Abell who disputes these frequencies fairly convincingly. I'll get around to typing them in after I find that scrap he sent me. - ro Date: Thu, 3 Aug 1995 12:32:11 -0700 From: Helmut Wabnig Subject: Bach frequencies This is the frequency table for a reconstructed historical Bach tuning. Usable for 24 Keys. "Das Wohltemperirte Clavier" was composed for a temperament like this, according to the authors. A detailed description of how to lay this temperament is to be found in: Practical Introduction to Historical Tunings. by Herbert Anton Kellner. (My version is in German). (Einfuehrung in die Praxis historischer Stimmungen.) (Der Piano und Fluegelbau, by Herbert Junghans, ISBN 3-923639-60-0) (C 1984 Verlag Bochinsky, Frankfurt) Bach on A Difference Bach centr. Bach centr. from equal equal on C on A in cents C 523.2511306 523.2511306 525.7047253 +8.099 B 493.8833013 491.3261646 493.6300588 -0.888 Bb 466.1637615 465.1121161 467.2930891 +4.189 A 440.0000000 437.9464105 440.0000000 0.000 G# 415.3046976 413.4329921 415.3716348 +0.279 G 391.9954360 391.4007084 393.2360388 +5.470 F# 369.9944227 367.4959930 369.2192310 -3.631 F 349.2282314 348.8340871 350.4698169 +6.144 E 329.6275569 327.5507764 329.0867059 -2.843 D# 311.1269837 310.0747441 311.5287261 +2.234 D 293.6647679 292.7723017 294.1451503 +2.830 C# 277.1826310 275.6219947 276.9144232 -1.676 C 261.6255653 261.6255653 262.8523626 +8.099