by Nathan Zoob Carnegie Mellon student Dawn Weleski does her best to act surprised when Sheela Ramesh, a young Indian-American woman in bright blue scrubs.... by Nathan Zoob

Carnegie Mellon student Dawn Weleski does her best to act surprised when Sheela Ramesh, a young Indian-American woman in bright blue scrubs, breaks the quiet of the Wood Street T station by launching into a musical theater-style song, accompanied by a three-piece string and brass band.

Up and down the platform startled commuters put down their crossword puzzles and take off their headphones to pay attention. An elderly gentleman strains to hear the music from across the tracks; near the bandstand a young man in a red leather jacket flips open his camera phone.

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