Simon & Marcy "everyone [working on the series] was pitching in to make this one special". The episode features the voice of Ava Acres, who portrays the young version of Marceline. Acres had previously appeared in the third season episode "Memory of a Memory". As mentioned above, the episode makes notable use of the 1982 song "Where Everybody Knows Your Name" by Gary Portnoy—better known as the theme to the sitcom "Cheers". According to Sugar's father, Rob, on his official YouTube channel, the use of the song started merely as a placeholder. However, as the episode developed, Sugar decided to keep it in
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.