No Jeong-hun (Korean: 노정훈; born November 13, 1994), known by his stage name I’ll (아일), is a South Korean singer, songwriter, and pianist. He made his solo debut in 2017 with the single album Maybe We Are, produced and arranged by his brother, singer-actor No Min-woo. I'll is also the lead vocalist and pianist of the band Hoppipolla, which gained fame after winning the JTBC television talent show Superband in 2019. I'll double-majored in jazz piano and composition at Berklee College of Music in Boston, where he honed his musical skills. Following his solo debut, he released several singles, including "Last Winter" (2018) featuring Juniel, and contributed to various television drama soundtracks, such as Partners for Justice 2 ("Poison") and Vagabond ("Breaking Dawn"). His compositions often blend elements of classical, pop, and jazz, reflecting his academic background. In addition to solo releases, I'll has produced mixtapes like KIWI Mixtape (2021) and Medlar Mixtape (2023). His most recent work is EP, CHeRRY Mixtape (2024).
