7 Inspirational Hymns to Celebrate Reformation Day
Built on a Rock
Nicolai Frederik Severin Grundtvig wrote the song and had it published in 1837 for the church in Denmark for the work Sangvärk til den Danske Kirke.
Grundtvig was said to have been inspired to write the hymn in response to the 1807 destruction of the Church of Our Lady in Copenhagen during the Napoleonic Wars.