Weisbard, Eric, <br/><br/>
Top 40 democracy :  the rival mainstreams of American music / 
Eric Weisbard. 
 - Chigaco :  University of Chigaco press,  2014. 
 - 329 pages, :  illustrations. ;  24 cm 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780226896168 (cloth : alk. paper) 0226896161 (cloth : alk. paper) 9780226896182 (pbk. : alk. paper) 0226896188 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio programs, Musical--History--United States--20th century.<br/>Popular music radio stations--History--United States--20th century.<br/>Popular music--History--United States--20th century.<br/>Popular music genres--History--United States--20th century.<br/>Format radio broadcasting--History--United States--20th century.
<br/><br/><label>LC Class. No.: </label>ML68  / .W435 2014