Watch LookMovie. ILLENIUM, whose inventive music and collaborations have made him one of the most successful crossover electronic artists today, performs Trilogy at Allegiant Stadium, a three-set concert commemorating his previous three albums -- Ashes, Awake, and Ascend. This show brings closure to this trio of albums as ILLENIUM begins a new musical journey with the July 16 release of his highly anticipated fourth album, Fallen Embers.