This hymn arrangement starts with an original tune/introduction by the piano in an upbeat meditative style. As I was noodling around while composing this introductory music a hymn tune came to me that would go well with this music. I didn't know the name but definitely heard the music clearly in my mind. Thanks to the melody search feature on hymnary.org I was able to find the hymn that was running through my head. It was "Lead On, O King, Eternal" (tune name: Lancashire). The form is: introduction/hymn tune/reintroduction/hymn tune/ and then the outro (which is basically a version of the introduction.