A prose poem about bird song

So, forget most of what I said about line:

Frailty, that rarely, like the thrush, the gorgeous song in us climbs, a bird ashamed of its arriving at a possession of beauty by unsanctioned means, a slouching off to such a dim-lit place where the song erupts in spite, its open-winged remembering, seining from the quiet—

from Of the Song Bird by Margo Berdeshevsky