Secrets: The Hidden Mass Frank Martin – Mass for Double Chorus (a cappella) Zoltán Kodály – Missa Brevis (chorus and organ) David Hayes, conductor Paolo Bordignon, organist Why hide a glorious piece of music in the bottom of a desk drawer for 40 years? What compels a composer to hide in a basement to write music during the destruction of his beloved city only to premiere it in a cloakroom? NYCHORAL presents The Hidden Mass, a concert of choral works of two 20th century composers - Frank…