ly . ▁ ▁From ▁ 1 9 7 5 ▁to ▁ 1 9 8 1 ▁she ▁lect ured ▁on ▁opera ▁for ▁the ▁Metropolitan ▁Opera ▁Gu ild . ▁ ▁Sommer ▁maintained ▁a ▁close ▁and ▁active ▁relationship ▁with ▁the ▁Music ▁Library ▁Association . ▁ ▁Her ▁earliest ▁reviews ▁appeared ▁in ▁ 1 9 6 0 . ▁She ▁function ed ▁as ▁the ▁book ▁review ▁editor ▁from ▁ 1 9 7 8 ▁to ▁ 1 9 8 2 , ▁and ▁as ▁editor ▁from ▁ 1 9 8 2 ▁to ▁ 1 9 8 7 . ▁ ▁She ▁served ▁as ▁president ▁of ▁the ▁Music ▁Library ▁Association ▁from ▁ 1 9 8 9 ▁to ▁ 1 9 9 1 . ▁ ▁Despite ▁being ▁in ▁ill ▁health ▁( only ▁a ▁month ▁prior ▁to ▁her ▁death ), ▁she ▁attended ▁the ▁annual ▁conference ▁in ▁New port , ▁Rh ode ▁Island ▁to ▁say ▁good bye ▁to ▁friends . ▁ ▁She ▁was ▁also ▁an ▁active ▁member ▁of ▁the ▁International ▁Association ▁of ▁Music ▁L ibr aries , ▁serving ▁as ▁editor ▁of ▁its ▁journal , ▁Font es ▁Art is ▁Mus ica e ▁from ▁ 1 9 9 3 ▁to ▁ 2 0 0 0 . ▁▁ ▁Personal ▁ ▁She ▁was ▁married ▁to ▁Robert ▁C . ▁Sommer ▁for ▁ 3 8 ▁years . ▁ ▁He ▁prede ce ased ▁her ▁in ▁January ▁ 2 0 0 7 . ▁She ▁was ▁surv ived ▁by ▁her ▁brother ▁Nicholas ▁Th iemann ▁and ▁his ▁family . ▁▁ ▁Selected ▁list ▁of ▁writ ings ▁ ▁with ▁D . W . ▁K rum mel ▁and ▁L