Gross, Terry (2010-04-16), “The Lyrics And Legacy Of Stephen Foster”, NPR Fresh Air (National Public Radio via HighBeam Research), オリジナルの2014年8月8日時点におけるアーカイブ。, https://web.archive.org/web/20140808042233/http://www.highbeam.com/doc/1P1-178823216.html2012年4月25日閲覧, "Mr. EMERSON: I think that Stephen Foster really did create popular music as we still recognize it today. He did it because he took together all these strands of the American experience. That song is extremely Irish in its origins, just as other songs are extremely African-American, just as others are extremely Italian and operatic, or sometimes German, and even Czechoslovakian. For instance, the beat of "Oh! Susanna" is the beat of a polka. He's clearly effectively merged them into a single music. And I think he merged them in way that appeals to the multicultural mongrel experience of America in its history and culture."(要購読契約)
Gross, Terry (2010-04-16), “The Lyrics And Legacy Of Stephen Foster”, NPR Fresh Air (National Public Radio via HighBeam Research), オリジナルの2014年8月8日時点におけるアーカイブ。, https://web.archive.org/web/20140808042233/http://www.highbeam.com/doc/1P1-178823216.html2012年4月25日閲覧, "Mr. EMERSON: I think that Stephen Foster really did create popular music as we still recognize it today. He did it because he took together all these strands of the American experience. That song is extremely Irish in its origins, just as other songs are extremely African-American, just as others are extremely Italian and operatic, or sometimes German, and even Czechoslovakian. For instance, the beat of "Oh! Susanna" is the beat of a polka. He's clearly effectively merged them into a single music. And I think he merged them in way that appeals to the multicultural mongrel experience of America in its history and culture."(要購読契約)