Since the Theta level is associated with sleep, the subject concerned may progress from a fully awake to a sleep state (provided that he does not consciously resist) as the brain strives to entrain its wave frequency output with the one which the person hears.
The Ghost town of Gladstone (maplewoodmn.gov) Maplewood has its own “Ghost Town.” English Street and Frost Avenue was the center of this now vanished city. In the final years of the nineteenth century it was a very different place.