Berceuse
... that in his Berceuse, Chopin created a lullaby for piano in 16 continuous variations on an ostinato ground bass?
... that in his <i id="mwAzQ"><b id="mwAzU"><a href="./Berceuse_(Chopin)" id="mwAzY" rel="mw:WikiLink" title="Berceuse (Chopin)">Berceuse</a></b></i>, <a href="./Frédéric_Chopin" id="mwAzc" rel="mw:WikiLink" title="Frédéric Chopin">Chopin</a> created a <a href="./Lullaby" id="mwAzg" rel="mw:WikiLink" title="Lullaby">lullaby</a> for piano in 16 continuous variations on an <a href="./Ostinato" id="mwAzk" rel="mw:WikiLink" title="Ostinato">ostinato</a> ground bass?