Complex sentence: Dr. Burke is an active member of Unitarian Universalists Musicians Network (UUMN) and served as a member of the UUA New Hymn Resource Task Force, which was appointed in the Fall of 2003 to create a new congregational hymn resource.
Split into simpler sentences: Dr. Burke is an active member of Unitarian Universalists Musicians Network (UUMN). He served as a member of the UUA New Hymn Resource Task Force, which was appointed in the Fall of 2003 to create a new congregational hymn resource.