Work Magma for orchestra Year: 1992 · Duration: 12m Year: 1992 Duration: 12m Helen Bowater Composer Composer: Helen Bowater About Work About Performance history Workshopped and recorded by Auckland Philharmonia in the 1992 Composers' Workshop. Related works Black Rain for soprano and cello Crossed Wires electroacoustic Dancing to my Tune for SATB choir with two violins in the east, to the right... for 4 sopranos, 2 altos, harp and 3 megaphones Lumen for chamber ensemble Ship of Theseus for tenor recorder, soprano (C) recorder and voice (one player)