Horace Gerlach, known as Dutch,[1]: 181 was a songwriter and musician, known for his work with Louis Armstrong and the song "Daddy's Little Girl".
[1]: 181–2 In 1949, Gerlach wrote the song "Daddy's Little Girl" with Bobby Burke.
[5]: 38 He was the cowriter of the song "Swing That Music" with Armstrong, which was composed especially for the book.
[5]: 17 Gerlach was criticised by William Kenney for having "clumsy intrusions" within Armstrong's autobiographical voice and negotiation of the biracial jazz world.
[6]: 151 A focus of his analysis was the "ongoing rhetorical struggle" between Armstrong and Gerlach within the text.