Complex sentence: The band reformed in 2006 and began releasing new material in 2009: "History of Modern" (2010) became theit biggest hit on the German chart; "English Electric" (2013) their largest in the UK since "Sugar Tax".
Split into simpler sentences: The band reformed in 2006 and began releasing new material in 2009. Their European fanbase remained steadfast: "History of Modern" (2010) became the group's biggest hit on the German chart; "English Electric" (2013) their largest in the UK since "Sugar Tax".