Gächinger Kantorei
... that conductor Helmuth Rilling, Gächinger Kantorei and Bach-Collegium Stuttgart finished the first complete recording of Bach's cantatas and oratorios on the composer's 300th birthday, 21 March 1985?
... that conductor <a href="./Helmuth_Rilling" id="mwCTQ" rel="mw:WikiLink" title="Helmuth Rilling">Helmuth Rilling</a>, <b id="mwCTU"><a href="./Gächinger_Kantorei" id="mwCTY" rel="mw:WikiLink" title="Gächinger Kantorei">Gächinger Kantorei</a></b> and <a href="./Bach-Collegium_Stuttgart" id="mwCTc" rel="mw:WikiLink" title="Bach-Collegium Stuttgart">Bach-Collegium Stuttgart</a> finished the first complete recording of Bach's <a class="mw-redirect" href="./List_of_cantatas_by_Johann_Sebastian_Bach" id="mwCTg" rel="mw:WikiLink" title="List of cantatas by Johann Sebastian Bach">cantatas</a> and <a href="./List_of_compositions_by_Johann_Sebastian_Bach#Passions_and_oratorios_.28244.E2.80.93249.29" id="mwCTk" rel="mw:WikiLink" title="List of compositions by Johann Sebastian Bach">oratorios</a> on the composer's 300th birthday, 21 March 1985?