In 2011 James Murphy, founder and leader of dance-rock group LCD Soundsystem, did something most people struggle to do; he quit when he was ahead. After leading one of the most critically acclaimed outfits of the past 15 years, Murphy surprised everyone...

Arcade Fire’s “Reflektor” mirrors artful dance music unlike previous indie rock albums.The almost three-year undertaking of the band’s much-anticipated double record hit stores Tuesday. The success of the 2011 Grammy-winning “The Suburbs”...