Rick and Morty are recruited by the President of the United States to save the world by performing a hit song. Rick improvises the song "Get Schwifty," which pleases the Cromulon enough to transport Earth into an intergalactic musical talent show called Planet Music .
On Earth, a religious cult led by Principal Vagina emerges, worshipping the giant heads and performing "ascension" rituals (launching people into the sky with balloons) based on a misunderstanding of the Cromulons' intent. [S2E5] Get Schwifty
When a giant floating head (a Cromulon) arrives at Earth demanding "Show me what you got!", its presence causes massive natural disasters, killing nearly every major musician on the planet. Rick and Morty are recruited by the President