I don't know if there's a way to reply directly to a message in the list archive, so this is my best attempt: Carl wrote: >How do we classify the Compton/Erlich scheme of tuning multiple >12-et keyboards 15 cents apart? Some sort of planar temperament >with the following commas? >531441/524288 (pythagorean comma) >5120/5103 (difference between syntonic comma and 64/63) >Is this right? >-Carl i don't know who compton is, but as for erlich, oddly enough, gene answered this correctly a while back, but seems to have forgotten . . . it's a linear temperament with the following comma: 531441/524288 (pythagorean comma) 15 cents is surely optimal in this context, right? ____________________________________________________________ To learn how to configure this list via e-mail (subscribe, unsubscribe, etc.), send a message to listar@xxxxxxxxxxxxx with the subject line "info tuning-math". Or visit the website: < //www.freelists.org/list/tuning-math > .