Pioneering rapper, singer, producer, and activist M.I.A. ignores musical and geographical boundaries in favor of an outspoken, globally minded perspective. Her innovative fusion of hip-hop, electronic, punk, and sounds that criss-cross the globe reflect her rootless upbringing as a Sri Lankan refugee who grew up in London and provide a vibrant soundtrack to her commentary on identity, war, immigration, and politics. A digital trailblazer, M.I.A. was one of the first artists to gain viral popularity online with her 2004 singles "Galang" and "Sunshowers." They sounded celebrator...