Complex sentence: She was three years old when her father first asked her to sing in the small church he pastored, and Cynthia has not stopped since-from local neighborhood churches to Robert Schuller's Hour of Power to London's Wembley Stadium.
Split into simpler sentences: She was three years old when her father first asked her to sing in the small church he pastored. From that time, she sang in local neighborhood churches, Robert Schuller's Hour of Power, and eventually, London's Wembley Stadium.