In the live recording of "Summer Girl" at the BBC Radio 1 Live Lounge, HAIM showcased their signature blend of pop and rock just after the release of their sophomore album, "Something to Tell You," which came out in July 2017. This performance reflects their evolving sound and confident stage presence, solidifying their status in the music scene. The live rendition captures their intricate harmonies and musicianship, elements that have always defined their work. "Summer Girl," which was released as a single in 2019, demonstrates a shift toward a more polished and mature sound, marking a notable point in their career as they transitioned into the next phase. The performance underscores their ability to deliver impactful live shows, further establishing their connection with audiences. HAIM is known for their energetic performances and strong musical ties, having gained acclaim not only for their recordings but also for their dynamic presence on stage.