Lou Koller, the iconic frontman of the legendary hardcore punk band Sick Of It All, has died at the age of 59. The cause of death was esophageal cancer, according to reports. Koller was a central figure in the New York hardcore scene for decades, renowned for his energetic stage presence and powerful vocals. Sick Of It All formed in 1986 and released numerous influential albums, gaining a dedicated global fanbase. His passing is a significant loss to the hardcore music community, with tributes pouring in from fellow musicians and fans. Koller's band had a tour scheduled for this fall, but it has now been cancelled following his death.