Since hearing of the Mander organ at Cranleigh School having been built in Kellner temperament I've had strong admiration for Mander's work in bringing forward alternatives to equal temperament.
It's really sad that Cranleigh had to be returned to Equal Temperament but I'm wondering how many instruments have been built by Mander in Kellner or other temperaments and the tuning has survived to be available to be heard?
How many people play organs not in Equal Temperament? Of those who regularly play in Kellner on the organ how universal is it as a tuning for the whole repertoire? Is th