Sarah Marie Young. Credit: Yancey Hughes If Evanston resident Sarah Marie Young were an Olympic athlete, she would be vying for a gold medal in the heptathlon. Young is, first and foremost, a gifted singer. Her voice can break hearts and mend them in the same song. She also is a creative songwriter. Young knows her way around the piano and she plays a killer ukulele. In addition to performing, Young is an operations manager for a significant eve…