Bartholomäus Gesius
... that Bartholomäus Gesius wrote the melody of the Easter hymn which Bach used to conclude the Easter section of his Orgelbüchlein?
... that <b id="mwCO0"><a href="./Bartholomäus_Gesius" id="mwCO4" rel="mw:WikiLink" title="Bartholomäus Gesius">Bartholomäus Gesius</a></b> wrote the melody of the Easter hymn which <a href="./Johann_Sebastian_Bach" id="mwCO8" rel="mw:WikiLink" title="Johann Sebastian Bach">Bach</a> used to conclude the <a href="./Orgelbüchlein#Easter_BWV_625–630" id="mwCPA" rel="mw:WikiLink" title="Orgelbüchlein">Easter section</a> of his <i id="mwCPE">Orgelbüchlein</i>?