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
Mendy Portnoy guitar lessons, with Sruli taking piano, before the two switched. In 2010, he performed at the Complete Unity Concert at Heichal Shlomo alongside Aharit Hayamim, Shtar, and JudaBlue. He and Sruli participated in the music video "Waving Flags", performed by campers and volunteer staff at Camp Simcha. Mendy Portnoy was featured on composer Yossi Green's 2015 album "Pianesque". That same year, he collaborated with singer and saxophonist Daniel Zamir on "Esa Einai", an album of Shlomo Carlebach songs, and released a short online-only piano album entitled "Holy Days". He was the final keyboardist for the Jewish rock band Hamakor, performing