In later years, on stage, Hines rarely spoke about his big band, instead preferring to talk about what he called "trumpet-style piano, " in which he followed the lines of a horn soloist rather than approximating a full orchestra, as the ragtime and stride pianists were then doing.

WSJ: Fatha Played Well With Others | Earl Hines | By Will Friedwald

Horn posited that the automation of things--starting with biological processes and continuing up to factory assembly lines--has consistently been the foundation for progress in human society.

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