D.I. was a pioneering hardcore punk band from Southern California that emerged in the early 1980s, known for their aggressive sound and influential contribution to the West Coast punk scene. The band, fronted by Casey Royer, released several influential albums including "Horse Bites Dog Cries" and "Killing for Jesus," helping to define the hardcore aesthetic of their era. Though the band has had various incarnations and hiatuses, D.I. remains a respected and influential force in punk rock history.
