This is what we found on Wikipedia regarding the David Kushner:

David Alan Kushner II is an American singer-songwriter. Raised in the suburbs of Chicago, Illinois, he moved to Los Angeles, California, and began releasing music. Kushner's song "Miserable Man" (2022) went viral on TikTok and peaked at number 11 on the charts in Norway and number 19 in Ireland, additionally reaching the top 40 in Australia, New Zealand, and the United Kingdom. Along with the single "Mr. Forgettable", it appeared on his debut extended play Footprints I Found (2022). Kushner received 556 million streams within a year of releasing music. His song "Daylight" was released on April 14, 2023, and also gained huge traction on TikTok; the song would appear on his debut album The Dichotomy (2024). Kushner has served as the opening act for one of Lauv's tours. He headlined the Daylight 2.0 tour.