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 Fates Warning, Overkill, G3 and played on Avenged Sevenfold's album "Nightmare" in place of their late drummer, The Rev. Over the years, Portnoy has also created tribute bands to The Beatles, Led Zeppelin, Rush, and The Who, which has allowed him to perform the music of his four favorite drummers. In September 2010, Portnoy announced his departure from Dream Theater after 25 years. He was replaced by Mike Mangini. Since leaving Dream Theater, Portnoy has formed several new bands. The first, Adrenaline Mob, a traditional heavy metal/hard rock band with singer Russell Allen (of Symphony X) and guitarist Mike Orlando.