Complex sentence: It was loosely translated into English by Percy Dearmer, as part of his effort of resurrecting hymns that had fallen into disuse and introducing European hymns into the Church of England.
Split into simpler sentences: It was loosely translated into English by Percy Dearmer. Dearmer did this as part of a series of resurrecting hymns that had fallen into disuse and introducing European hymns into the Church of England.