The composer states:“Nightfall is an incantatory piece inspired by how light changes at the end of a day: the adding and subtracting of colours and shadow; the slowly building and diminishing dynamics; the shifting texture as the sun intensifies and then disappears over the horizon.Nightfall should be sung without vibrato so that the vocal colours and their translucent quality remain pure and clear. Recalling Baroque passacaglia procedure, the bass line underpins the entire work.Nightfall requir...