Question: What was the nationality of the rock band that provided the namesake for a style of music leading to hardcore punk genre D-beat?
Sentence (from "Discharge (band)"): While the band had substantial line-up changes over its history, the classic line-up from the early 1980s featured bassist Wainwright, drummer Gary Maloney, Anthony "Bones" Roberts playing guitar, and vocalist Kelvin "Cal" Morris.
Relevant evidence: No