One pillar of Reb Zalman Schachter-Shalomi’s legacy is davvenology. Yesod Foundation has shared on YouTube the Gates of Prayer: Davvenology. Go to: Yesod Foundation’s Gates of Prayer on YouTube.
Videos: Davvenology Part 1 with Reb Zalman, Rabbi Zalman Schachter-Shalomi, The Evening Service with Rabbi Marcia Prager and Hazzan Jack Kessler

Four Worlds Judaism

Eighteen Principles