DJ Seinfeld is the stage name of Swedish producer Arvid Nilsson, known for his unique blend of lo-fi house and ambient music. Emerging from the underground music scene in the late 2010s, he gained recognition for his nostalgic soundscapes, emotive melodies, and use of samples that evoke a feeling of yearning. His tracks often feature dreamy synths and laid-back beats, which resonate with themes of introspection and sentimentality. DJ Seinfeld has been influential in the rise of the lo-fi house genre, helping to shape its aesthetic and sound through releases on various notable labels.