Complex sentence: However in Europe, pop-oriented forms of disco continued evolving within the broad, relatively mainstream Euro disco scene, culminating in the late 1980s peak of the upbeat Hi-NRG style of electronic disco, dominated by a small cadre of mostly British producers.
Split into simpler sentences: However in Europe, pop-oriented forms of disco continued evolving within the broad, relatively mainstream Euro disco scene. This included the late 1980s peak of the upbeat Hi-NRG style of electronic disco, dominated by a small cadre of mostly British producers.