Mat CallahanMat Callahan is author or editor of five books including The Explosion of Deferred Dreams: Musical Renaissance and Social Revolution in San Francisco, 1965–1975 and A Critical Guide to Intellectual Property. Recent projects inclue the republication of Songs of Freedom: The James Connolly Songbook, the recording and publication of Working-Class Heroes: A History of Struggle in Song, and the launch of Songs of Slavery and Emancipation, an audio recording, film, and book, the latter published by University Press of Mississippi. Find more information about the author at http://www.matcallahan.com. Read More Read Less