Which statement best represents the sales figures of Stephen Foster's hit 'Oh! Susanna'?

The statement accurately highlights that "Old Folks at Home" is recognized as Stephen Foster's biggest hit rather than "Oh! Susanna." While "Oh! Susanna" was indeed popular and contributed significantly to Foster's career, "Old Folks at Home," also known as "Swanee River," achieved even greater acclaim and sales. This distinction is important in understanding Foster's legacy, as it illustrates the context of his work in American music history. Noting that "Old Folks at Home" was his most impactful piece emphasizes the evolution of Foster's popularity and the lasting influence of his compositions in the broader spectrum of American folk music.