"next to of course god america i": Personal Reflection

I'm not sure what it is I even read. I have so many questions for this poem, but I don't even know exactly what it is to ask since I can't even decode what the poem is about. These are probably my most basic questions. Who is the speaker in the poem? Is the theme of the poem about America's brilliance or faults? Why does the poem shift from mocking American songs to the speaker's own thoughts in the same lines? These shifts in and out of song are very confusing and hard to pick up on. I'm definitely going to need to listen to other peoples' thoughts on this poem during class discussion.