About good 4 u

"Good 4 U" (stylized in all lowercase) is a song recorded by American singer-songwriter Olivia Rodrigo. It was released on May 14, 2021, through Geffen and Interscope Records, as the third single from Rodrigo's debut studio album, Sour (2021). The song was announced on May 10 via Rodrigo's social media. It was written by Rodrigo and its producer Dan Nigro; Hayley Williams and Josh Farro are also credited as co-writers due to the inspiration from Paramore's "Misery Business" (2007).

Musically, "Good 4 U" has been described as an upbeat song blending rock, pop, punk, grunge, emo, and alternative styles. It consists of a staccato bassline, energetic electric guitars, and explosive drumming, with lyrics addressing a former lover who moved on very quickly after a breakup. It received acclaim from music critics, who praised the instrumentation reminiscent of the 1990s-2000s and Rodrigo's crisp songwriting.