Rush was a Canadian-based progressive rock band which was established in the late 1960s. However, their popularity didn't hit big until the 1981 release of "Moving Pictures" and hits such as "Tom Sawyer" and "Limelight."
In the episode Spirit Journey Formation Anniversary Master Shake references Rush's lead singer and bassist, Geddy Lee as performing the song with him and Black Label Society's Zakk Wylde in addition, Meatwad is heard throughout the episode singing bits of random Rush songs.
Drummer Neil Peart was a guest and self-voiced character in Aqua Teen Hunger Force Colon Movie Film for Theaters.
Rush disbanded in January 2018 due to the declining health of its members, and Peart died of brain cancer in January 2020.