The Boston Pops rehearses for its Fourth of July Fireworks Spectacular on July 3, 2012, at the Charles River Esplanade. Paul Marotta/Getty Images hide caption

itoggle caption Paul Marotta/Getty Images

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