Ruth Sandhoff
... that mezzo-soprano Ruth Sandhoff performed a soprano part in the Magnificat by Johann Sebastian Bach and an alto part in his son's Magnificat?
... that mezzo-soprano <b id="mwA-k"><a href="./Ruth_Sandhoff" id="mwA-o" rel="mw:WikiLink" title="Ruth Sandhoff">Ruth Sandhoff</a></b> performed a soprano part in <a href="./Magnificat_in_E-flat_major,_BWV_243a" id="mwA-s" rel="mw:WikiLink" title="Magnificat in E-flat major, BWV 243a">the Magnificat</a> by <a href="./Johann_Sebastian_Bach" id="mwA-w" rel="mw:WikiLink" title="Johann Sebastian Bach">Johann Sebastian Bach</a> and an alto part in <a href="./Magnificat_(C._P._E._Bach)" id="mwA-0" rel="mw:WikiLink" title="Magnificat (C. P. E. Bach)">his son's Magnificat</a>?