Following the minor success of "
All I Want" (2019), American singer-songwriter
Olivia Rodrigo signed with
Geffen Records, a subsidiary of
Interscope Records, intending to release her debut
extended play in 2021. After the widespread success of Rodrigo's debut single "
Drivers License", released on January 8, 2021, she decided she wanted to make a full-length
studio album instead. Alongside the release of her second single "
Deja Vu" on April 1, 2021, Rodrigo announced that her debut studio album, under the placeholder title
*O*R, would be released on May 21. On April 13, Rodrigo announced the cover art and announced the title of her debut studio album
Sour. Together with the announcement, the track listing was announced, and "Traitor" was revealed to appear as track two on
Sour. The song was released with a lyric video alongside the album on May 21, 2021. "Traitor" was sent to radio in the US on August 10, 2021, as the fourth single from
Sour. ==Composition ==