In
Yuval Studies of The Jewish Music Research Centre
Yuval Studies of The Jewish Music Research Centre
1968
132-154
Yuval Studies
1
This article is a continuation of the author's previous research beginning in 1956. An examination of all the sources on the historic origins of the octochord reveal that they all refer to the problem of how to define the transition from the close heptachord to the seperated heptachord.