Final answer:
Stephen Foster had his first solo art show at his childhood home in Pittsburgh, where he showcased his talent of blending African and European musical traditions.
Step-by-step explanation:
Stephen Foster, America's original pop star, had his first solo art show at his childhood home in Pittsburgh. His ability to expertly blend African and European musical traditions into many hits allowed him to showcase his artistic talent. This event took place sometime during his childhood, but the specific date is not mentioned in the provided information. Stephen Foster had his first solo art show at his childhood home in Pittsburgh, where he showcased his talent of blending African and European musical traditions.