Katy Perry opted for an untraditional means of announcing her upcoming fourth studio album: she emblazoned the title and release date – Prism, due out October 22nd – on the side of a gold tractor-trailer that rolled through the streets of L.A. yesterday, Billboard reports.
"Don't worry, Los Angeles is just the first stop on the map," she teased on Twitter and encouraged fans to keep an eye out for the shiny semi. "Find the #PRISM semi, take a picture and I'll RT you."
Prism will be Perry's follow-up to 2010's Teenage Dream, and she's been working on the album with producers Max Martin, Greg Wells and Dr. Luke as well as others.
Perry is the most recent artist opting to make new album details more of a creative declaration than an announcement. Lady Gaga revealed the title of her upcoming ARTPOP by tweeting a picture of the word tattooed on her arm, while Kanye West debuted the video for "New Slaves" using visual projections on 66 buildings around the world.
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This article originally appeared on Rolling Stone: Katy Perry Puts New Album Details on the Street