One woman, one journey, two operas...The Seven Deadly Sins, with music by Kurt Weill and libretto by Bertolt Brecht, is a biting and sharp-edged satire of ambition and self-betrayal, set to a score steeped in Weimar cabaret and 1930s American jazz. Anna is split into two halves of one soul as her family sends her on a seven-year odyssey through the cities of America, chasing the money for a house back home. The Human Voice, with music by Francis Poulenc and libretto by Jean Cocteau, is a harrowing one-woman opera, unfolding through a single, unbroken phone call that becomes the last…