Conductor, chorus director, airplane pilot, educator, activist, mentor, and advocate Margaret Hillis blazed a trail upon which many continue to tread. The first woman to regularly conduct a major symphony orchestra, she was the founder of the Chicago Symphony Chorus and served for thirty-seven years as its first director, winning nine Grammy Awards. In Margaret Hillis: Unsung Pioneer, author Cheryl Frazes Hill--a longtime colleague and associate--examines how Hillis was able to overcome the many challenges she faced, navigating a career in ways relatable not only to musicians but also to women in all professions. Margaret Hillis's story is one of resilience, determination, and passion for music. Her journey is an inspiration, a portrait of what it takes to succeed at the highest level in any field.