What is a slow stately hymn tune of the lutherian church?

A slow, stately hymn tune commonly associated with the Lutheran Church is "Ein feste Burg ist unser Gott," which translates to "A Mighty Fortress Is Our God." Composed by Martin Luther in the 16th century, this hymn is set to a powerful melody that reflects its themes of faith and strength in God. It is often sung during worship services and is emblematic of the Reformation's musical heritage. The tune's solemnity and grandeur make it a cherished part of Lutheran liturgy.