Ridgeon, John. <br/><br/>
How low brass do it   : lip building & flexibility exercices : easy-difficult /   [Música impresa]  
John Ridgeon. 
 - Manton :   Brass Wind Pub.,   c2006. 
 - 16 p. ;   30 cm. 
<br/><br/><br/>ISMN M-57027-513-7 
<br/><br/><label>LCCN: </label>5800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instruments de metall---Estudis i exercicis.