00294nam a2200109 a 450000500170000002000150001708200170003210000200004924500580006926000360012730000210016320251203091723.0  a0500234493  a780.904bGRI  aGriffiths, Paul  aThames and Hudson encyclopaedia of 20th century music  aNew YorkbThames & Hudsonc1986  a207p,c22cm.bHB