Mr. Belvedere the Pittsburgh Media Group (PMG), a consortium of public officials and Western Pennsylvania media. Dungan and Stein used it for story ideas during season one after the PMG pitched several studio groups in Los Angeles in January 1985. "People were impressed... the calendar has Pittsburgh scenes for each month. The Bridge of Sighs is February. The PPG Building is March. Three Rivers Stadium gets three months." The show's theme song, "According to Our New Arrival," was performed by ragtime singer Leon Redbone. It was written by Judy Hart-Angelo and Gary Portnoy, who also co-wrote the theme songs to "Cheers" and
Mike Portnoy and touring cycle. When the band decided it would rather continue without him, however, he departed, and Dream Theater later chose Mike Mangini to take his place after auditioning seven "world-class" drummers. When Avenged Sevenfold later decided to also sever ties with Portnoy, he announced that he had asked to return to Dream Theater, but had been turned down by their lawyer since the band (as later revealed) had already brought Mangini on board. Portnoy later announced that he had started two new musical projects: Adrenaline Mob, with Russell Allen, Mike Orlando, Rich Ward and Paul DiLeo; and Flying Colors,