keyboard sonata in C minor
... that Joseph Haydn's keyboard sonata in C minor has been called his Appassionata?
... that Joseph Haydn's <b id="mwBv0"><a href="./Piano_Sonata_Hob._XVI/20" id="mwBv4" rel="mw:WikiLink" title="Piano Sonata Hob. XVI/20">keyboard sonata in C minor</a></b> has been called his <i id="mwBv8"><a class="mw-redirect" href="./Appassionata" id="mwBwA" rel="mw:WikiLink" title="Appassionata">Appassionata</a></i>?