 The lyrics indirectly refer to Crane's radio show; "I hear the blues a-callin", for example, refers to troubled listeners who call the show.Grammer recorded several variations of the final spoken line of the theme, which were rotated for each of the episodes.Other than season finales, a short, silent scene, often revisiting a small subplot aside from the central story of the episode, appears with the credits and song, which the actors performed without written dialogue based on the scriptwriter's suggestion.