简介：Born: Phildelphia, USA\r\n \r\nThe American mezzo-soprano, Marietta Simpson, graduated from Temple University and received her Master's Degree in Music from SUNY in Binghamton, NY.
简介：Born: Phildelphia, USA\r\n \r\nThe American mezzo-soprano, Marietta Simpson, graduated from Temple University and received her Master's Degree in Music from SUNY in Binghamton, NY.
