The document discusses the indie music genre and provides examples of popular indie artists such as Arctic Monkeys, Imagine Dragons, and Florence and the Machine. It then analyzes different editions of the music magazine NME, noting that while layouts vary, the masthead font remains consistent to indicate the publication. Special editions may use different masthead colors. Background colors and amount of text on covers also differ between editions. Finally, the document provides a brief history of indie music, noting its origins in the 1950s-60s and growth in popularity in the 1980s, with subgenres like indie pop emerging and greater commercial success in the 2000s due to industry changes.