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 Banshee for two violins, cello and piano Cottleston Pie for piano Ftatsu no umi for vocal octet Little Bit for piano Triple Axel for solo piano ¡AY! for cello