Sour is the upcoming debut studio album by American singer Olivia Rodrigo. Rodrigo stated that she pursued a mix of pop, folk, and alternative rock styles for the album.
The album was preceded by three singles: Rodrigo's debut single “Drivers License”, which topped charts across the globe, including the US Billboard Hot 100, the second single “Deja Vu”, which reached number 8 on the Hot 100, and the third single “Good 4 U”.