Mein Gott, wie lang, ach lange? BWV 155
... that Bach used an obbligato bassoon in a duet of his cantata Mein Gott, wie lang, ach lange? BWV 155, first performed in Weimar on 19 January 1716?
... that <a href="./Johann_Sebastian_Bach" id="mwCqI" rel="mw:WikiLink" title="Johann Sebastian Bach">Bach</a> used an <a href="./Obbligato" id="mwCqM" rel="mw:WikiLink" title="Obbligato">obbligato</a> <a href="./Bassoon" id="mwCqQ" rel="mw:WikiLink" title="Bassoon">bassoon</a> in a duet of his <a href="./Bach_cantata" id="mwCqU" rel="mw:WikiLink" title="Bach cantata">cantata</a> <i id="mwCqY"><b id="mwCqc"><a href="./Mein_Gott,_wie_lang,_ach_lange%3F_BWV_155" id="mwCqg" rel="mw:WikiLink" title="Mein Gott, wie lang, ach lange? BWV 155">Mein Gott, wie lang, ach lange? BWV 155</a></b></i>, first performed in <a href="./Weimar" id="mwCqk" rel="mw:WikiLink" title="Weimar">Weimar</a> on <span about="#mwt38" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"Nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"19 January"}},"i":0}}]}' id="mwCqo" typeof="mw:Transclusion">19 January</span> 1716?