Katia Plaschka
... that a reviewer wrote that Katia Plaschka, "quite accurately described as a high soprano, sings music of stratospheric difficulty" when performing Luigi Nono's music?
... that a reviewer wrote that <b id="mwAoo"><a href="./Katia_Plaschka" id="mwAos" rel="mw:WikiLink" title="Katia Plaschka">Katia Plaschka</a></b>, "quite accurately described as a high soprano, sings music of stratospheric difficulty" when performing <a class="mw-redirect" href="./Luigi_Nono_(composer)" id="mwAow" rel="mw:WikiLink" title="Luigi Nono (composer)">Luigi Nono</a>'s music?