Nicholas Daniel Miller, professionally known as Illenium, is an American musician, DJ, music producer, and songwriter. He has released six studio albums, his most recent being Odyssey, released in February 2026. Illenium earned his first Grammy nomination following the release of his fourth studio album, Fallen Embers, released in July 2021. One of Illenium's more notable albums, Ascend, was released in August 2019 on Astralwerks. The album was Illenium's first to top the Billboard Dance/Electronic Albums chart and also reached his highest peak on the Billboard 200 at number 14.