www.worldconcerthall.comShearing, Orbán, Olson, Harris, Mäntyjärvi, Sondheim and Rutter from Madrid - Schedule // - www.worldconcerthall.comRaquel González, Alla Zaikina, sopranos, Paloma Cotelo, Yun Park, contraltos, Diego Neira, Lluís Frigola, tenors, Vicente Martínez, Juan Antonio Díaz, basses, Omar Jonatás Sánchez, piano, and Javier ...