This book focuses on the sociolinguistics of English in relation to globalization. The pattern of migration and linguistic flows that have become more prominent in this century seem to teach us one major lesson: that we need a sociolinguistics that places less emphasis on territorialization of English but accounts for the complex situations, patterns of mobility of people and challenges that have come with globalization. This book addresses the spread of English through hip-hop to other parts of the world and how other varieties of English around the world especially African American Vernacular English and Jamaican English have influenced Nigerian English through this genre of music.