When the radio show Music from India first aired on what was then WDUQ, Pittsburgh was a different city. But this is not a story about how Pittsburgh bucked its working-class roots to become the eds and meds tech hub it fancies itself to be now. That story has been written ad infinitem. Harish Saluja has borne witness to another transformation that has taken the Steel City decades to achieve: the changing personality of its immigrant population. And his radio show has provided the soundtrack to its evolution.