Wilhelmina Wurzbach, 105, of Great Falls, a pianist and organist, died April 21, 2013 of natural causes at a local extended care facility.Cremation has taken place and a memorial service will be held at Holy Spirit Catholic Church in San Antonio, Texas.Schnider Funeral Home is handling arrangements. Wilhelmina is survived by her daughters; Charlotte Evans of San Antonio, Texas and Frances Deathe of Bethany, Oklahoma; nine grandchildren and 17 great-grandchildren,She was preceded in death by her husband, Milton Wurzbach.