Who knows?: song Who knows?; arr. Heart of Paddywhack Ball, Ernest R. 1878-1927 creator Dunbar, Paul Laurence 1872-1906 lyricist Olcott, Chauncey 1858?-1932 performer M. Witmark & Sons publisher notated music nyu New York M. Witmark & Sons 1909 monographic eng print 8 p. poem by Paul Laurence Dunbar; music by Ernest R. Ball For low voice and piano in B♭ Cover title "Poem by Paul Lawrence Dunbar"--Caption "Also Sung By Chauncey Olcott in his new play The Heart of Paddywhack" Advertisements for other songs: p. [2, 7] Advertisement for music technique books: p. [8] Also published for: medium low voice and piano in D♭; medium high voice and piano in E♭; high voice and piano in F; duet for contralto or baritone and soprano or tenor in D♭; and duet for soprano and tenor in E♭ Library's copy has retailer's stamp on cover: Send to Smith's Music Store, Lake Charles, La., for a Copy Songs (Low voice) with piano African American poets African American Sheet Music: A Brown University Digital Collection http://dl.lib.brown.edu/sheetmusic/afam/index.html 3 M. Witmark & Sons (New York, N.Y.) 5448 M. Witmark & Sons (New York, N.Y.) M.W.&Sons 12027 RBN 990312 b27516908 5No Copyright - United StatesCollection is open for research.