death_place death_date birth_place nationality birth_date spouse article_title name occupation
benken , zürich , switzerland 31 january 1997 barcelona , spain swiss 12 october 1926 werner esser hedy graf
 hedy graf classical soprano
hedy graf

hedy graf -lrb- 12 october 1926 -- 31 january 1997 -rrb- was a spanish-born swiss classically trained soprano .
she traveled widely throughout switzerland and germany .
her concert repertory focused on both baroque and contemporary music , including premières of oratorios .
