Sour (stylized in all caps) is the debut studio album by the American singer-songwriter Olivia Rodrigo. It was released on May 21, 2021, by Geffen Records. The album was written by Rodrigo and producer Dan Nigro. Originally planned as an EP, Sour was expanded into a full-length album following the viral success of her debut single, “Drivers License”.
The album title appears to be set in four different fonts: S in Myriad / O in Helvetica / U in Univers Ultra Condensed and R in Franklin Gothic. The top line is set in Ballinger.