As of the live recording of "Ur Mum" at the Reading Festival on August 27, 2023, Wet Leg had just released their debut self-titled album earlier in the year, on April 8, 2022. The album received critical acclaim, helping to catapult the band into the spotlight and earn them a notable position in the indie music scene. By the time of the festival performance, Wet Leg had gained a solid fanbase and acclaim for their energetic live sets, which are characterized by a lively blend of wit and catchy melodies. An interesting fact surrounding the band is their rapid rise to fame, particularly highlighted by their performance at Reading Festival, where they ignited the crowd with their unique sound and engaging stage presence, marking a significant point in their burgeoning career. This performance reinforced their reputation as a standout live act in the modern music landscape.