And she has used them in her own research on the racial desegregation of classical music performance, searching concert programs from the 1940s and '50s to find African-American soloists, the repertoire they were hired to perform and the white musicians they played alongside.

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Too many today chase the American myth of unlimited potential by denying biological limitations, including performance enhancing drugs in sports, searching for self-esteem with cosmetic surgery, or pushing the frontiers of reproductive medicine.

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They also caught a rare performance by folk musician Rodriguez, who is featured in a new award winning film Searching for Sugarman.

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