Grateful Organ by Hezekiah Walker by Vincent Alexander | Nov 2, 2017 | Organ Lesson Grateful Organ by Hezekiah Walker from Vincent Alexander on Vimeo…. This content is for Organ Lessons, Monthly Piano + Organ, Bi-Monthly Piano+Organ, Quarterly Piano+Organ, Yearly Piano+Organ, and Lifetime Membership members only. Register Already a member? Log in here