Gregory Nagy, Douglas Frame, and Leonard Muellner on Greek dialects and the poetic super-language

In this video, Gregory Nagy discusses with Douglas Frame and Leonard Muellner an introduction to how ancient Greek dialects function in Homeric poetry.
Topics include:
Attic Greek
koinē
Ionian
Aeolian
metrical differences and lack of redundancy
formulae
evolution and perpetuation of the poetic super-language
You can watch the video in the frame below, or on the CHS YouTube channel.