Halloween comes with a tradition for Grenadelia. The band formed the day before Halloween in 2021. In 2022, they played a small garage show for a few family members. In 2023, Grenadelia played another garage show, and the Halloween show tradition began. This show also featured Homesick Rabbit, Swimshirt, and Camp Culture.

Setlist: One and the Same Visual New Deity State of Love and Trust (Pearl Jam) I Am the End Vagabond Interstate Love Song (Stone Temple Pilots) The Rain Still Here