context: At the time of his death, Zambara was on the faculty of the New England Conservatory of Music.
source: Zambara often was asked to serve as a judge at district and regional Metropolitan Opera auditions.
reference_original: A Zambara a menudo se le pedía fungir como juez en audiciones de distrito y regionales de la Ópera Metropolitana.
reference_flipped: A Zambara a menudo se le pedía fungir como jueza en audiciones de distrito y regionales de la Ópera Metropolitana.