Read it through once

“When for a moment he shuts his eyes, and falls purely into the listening or ‘musing’ mood, he becomes the instrument of a rich deep music, breaking out of the heart of the unseen world, as in the Dirge of unfaithful Poets in ‘Paracelsus’, or the Gypsy’s Incantation in the ‘Flight of the Duchess’, or the Meditation at the crisis of Sordello’s temptation.