Members of the ensemble So Percussion join conductor Gustavo Dudamel for the U.S. premiere of David Lang's man made at Walt Disney Concert Hall. Doriane Raiman/for NPR Music hide caption

itoggle caption Doriane Raiman/for NPR Music

Gustav Mahler wanted each of his symphonies to contain a world of emotions and ideas. Library of Congress hide caption

itoggle caption Library of Congress

Composer Peter Lieberson wrote his Neruda Songs for his wife, mezzo-soprano Lorraine Hunt Lieberson. Johansen Krause/Peter Lieberson hide caption

itoggle caption Johansen Krause/Peter Lieberson