Persecuted, banned, and exiled, the legendary Argentine folk singer Mercedes Sosa made South America's dictators tremble in the 1970s. Nicknamed "The Voice of the Voiceless", Sosa became an icon of democracy and a much-loved mother of Latin America. Mercedes Sosa - The Voice of Hope charts Sosa's remarkable life and career and offers a psychological profile that reveals the secret behind Sosa's enormous impact. Besides being a personal profile of the artist and a chronicle of Latin American music, history, and politics, the author explores the scientific underpinnings of how her profound connection with Sosa and Sosa's music changed her life. By doing so, Christensen opens an avenue to personal transformation that is accessible to anyone. Sosa's extraordinary example, coupled with Christensen's inspiring discoveries will enable the reader to use life's challenges as a stepping stone for growth. This narrative calls out for the best in all of us - for authenticity, empathy, and compassion.