![]() ![]() The second sub-theme features broken chords combined with chromatic non-chord tones (Figure-3). The first sub-theme has repeating sixteenth notes in a percussive ostinato-like figuration centered in the key of D minor (Figure-2). ![]() The greatly expanded A-strain encompasses twenty-two measures with two contrasting sub-themes. In it, one can see that Bolcom has allowed for irregular phrase lengths, as in strain D, and has allowed for drastic expansion of certain strains, such as in strains A and E. Refer to the structural diagram above in Figure-1. As a typical rag would unfold, a strain should be about 16 measures some of Bolcom’s strains, however, are much longer and even contain multiple themes rather than only one. The general form of this piece is with each letter representing a different “strain” or theme. The second identifiable expansion of traditional form in rag is the use of melody and melodic development. ![]()
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