The Cambridge Companion to singing / 
edited by John Potter. 
 - Cambridge :  CUP,  2000. 
 - x, 286p ;  25 cm. 
 - Cambridge companions to music .
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0521622255 
<br/><br/><label>LCCN: </label>9932948  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Singing--History.<br/>Choral singing--History.<br/>Vocal music--History and criticism.<br/>Performance practice (Music)