Future advances in ancient Hebrew poetry studies will be based on the work of many who labored up till now in the field. The larger fields of metrics, prosody, and linguistic analysis of poetry also have much to offer.
Diachronic analysis of the Hebrew language will eventually force students of ancient Hebrew poetry to break with the received text, however tentatively, in the hopes of reconstructing ancient Hebrew verse as it might have been heard, read, and written in the period of its composition.
This post contains an annotated bibliography of ancient Hebrew poetry studies, the larger fields of metrics, prosody, and linguistic analysis of poetry, and an introductory bibliography to the synchronic and diachronic study of ancient Hebrew. Go here.