About Jay Rahn Jay Rahn is a Canadian ethnomusicologist and is a Professor of Music at York University. He has published extensively on ethnomusicology, music theory, and music history. Books by Jay Rahn A Family Heritage The Story and Songs of LaRena Clark by (author) Edith Fowke & Jay Rahn A Theory for all Music Problems and Solutions in the Analysis of Non-Western Forms by (author) Jay Rahn