The following paragraph was posted by Incantu in June 2013. I welcome comments from anyone (including Incantu) who can elaborate on Duruflé's "entirely incorrect theories." I'm virtually illiterate in matters of chant and chant history and am dependent on others who are "fluent." I'm writing an essay on Duruflé's life as a chorister in Rouen and would like to have a better grasp of this issue.

"We would not have, for example, the masterful choral works of Maurice Duruflé had he not based his compositional style on what has turned out to be entirely incorrect theories concerning the rhythm of Gregorian chant."

Thanks to all!