Riding in on an eviscerating vocal alarm call and originally released in 1988 as the final installment of her Masque of the Red Death trilogy, Diamanda Galás’ You Must Be Certain of the Devil is as unflinching now as it was on release in 1988. It remains a swaggering, furious fuck-you to those who might cast aside the sick and dying in the name of faith and scripture. (…)