Renowned for its consort singing, The Gesualdo Six begins its Australian tour at MONA’s Elektra – Anselm Kiefer’s colossal concrete amphitheatre. In Sydney, Lux Aeterna spans Tallis, Gesualdo, Tavener and contemporary composers including Joanna Marsh and Richard Rodney Bennett, while Hemispheres is a collaborative program of luminous polyphony with St James’ Choir. The British vocal…