How does the sub-theme of jazz incorporate itself into Invisible Man?

In Invisible Man, music is a
recurring motif.  Jazz and the blues, more specifically, relate to the writing style and
mood of the novel respectively.  Himself a jazz musician, Ellison has
said:

The
blues is an impulse to keep the painful details and episodes of a brutal experience
alive in one's aching consciousness to finger its jagged grain, and to transcend it, not
by the consolation of philosophy but by squeezing from it a near-tragic, near-comic
lyricism.

The novel begins
with lyrics from Jazz great Louis Armstrong's song which says, "What did I do to be so
black and blue?"  In chapter 1, a jazz clarinet plays for the cupie doll white woman in
the ring.  In chapter 2, it's "London Bridge Blues."  In chapter 4, there's "Live a
Humble."  In chapter 6, there's a blues guitar and piano harmonizing.  And so
on...

So the blues and jazz are intwined because they are
the two greatest African-American art forms.  The blues is an emblem of suffering and
jazz is a creative impulse; together, they achieve a duality of the Black
experience.

Stylistically, the novel is written with a jazz
feel of stream-of-consciousness, part of the "Keep that ... boy running" mantra that is
echoed in the first chapter.  Ellison's pace feels furious, then languid, then furious
again.  It's all part of an improvisational and existential look at race and identity.
 Characters, motifs, and themes appear, disappear, and then reappear in the novel like a
riff in a sax or piano solo.