Barbara's achievements stem far and wide, as she has performed all throughout the United States, Europe and Asia, and made appearances at various music festivals such as Aspen, Boulder, Ravinia, Caramoor, Huddersfield, Adelaide, and Salzburg. In addition to this, she was an apprentice at the Metropolitan Opera in New York, and the Central City opera Company in Colorado. She has sung composer George Crumb's master-work, "Ancient Voices of Children" with the Chicago Symphony Orchestra, the Berlin and New York Philharmonics, the Vienna Symphony Orchestra, the Maggio Musicale, the Montreal Symphony, and the Israel Philharmonic to critical acclaim. She has had several opera appearances, which include the Metropolitan, Chicago, Central City, New Jersey State, and Minnesota Operas. Several of Ms. Martin's recordings feature works by Argento, Babbitt, Crumb, Hovhanness, Husa, Rochberg, Thompson, Talma, and Ung. She is also the featured soloist with James Freeman and Orchestra 2001 on the 2010 Grammy-Nominated CD, "A Journey Beyond Time and The Winds of Destiny".