"Soul... Some say it's a man's heart or spirit. Certainly without it we cannot survive, for no man can live without love..." (~voiceover quote as Peter clumsily carries his new harp home)
The bird is also known as the American mourning dove or the rain dove, and erroneously as the turtle dove, and was once known as the Carolina pigeon or Carolina turtledove.
Sleep-learning (also known as hypnopædia, or hypnopedia) is an attempt to convey information to a sleeping person, typically by playing a sound recording to them while they sleep.