That piece contains a "human faith" melody that is thematically related to quotations of the "Fate" motif from Beethoven's Fifth.
This composer's Second String Quartet depicts four men who "converse, discuss, argue...fight, shake hands, shut up  then walk up the mountainside to view the firmament!" One of this composer's song texts posits a "place in the soul all made of tunes," a phrase which titles J. Peter Burkholder's authoritative study on this composer's use of musical borrowing. This composer theorized a dichotomy between musical "substance" and "manner" in the Epilogue to his Essays Before a Sonata. The dissonances of one movement by this composer were supposedly inspired by the sound of two different (*) marching bands playing simultaneously, and he wrote a piano piece that features optional flute and viola parts. That piece contains a "human faith" melody that is thematically related to quotations of the "Fate" motif from Beethoven's Fifth. For 10 points, name this composer who depicted figures like Emerson and Thoreau in his Concord Sonata.
This composer's Second String Quartet depicts four men who "converse, discuss, argue...fight, shake hands, shut up  then walk up the mountainside to view the firmament!"
Charles Ives