In my old theory book, I read that while ii and ii6 harmonize scale degrees 2 and 4, they rarely harmonize scale degree 6 in the soprano. (I'm assuming they mean for common practice music, SATB). ...
I'm curious about the development of modern (post-bop-ish) jazz harmony. In Mark Levine's Jazz Theory Book, he shows how modes of the melodic minor scale can be used to form and improvise over chords ...