Third Cello Sonata
... that Beethoven's Third Cello Sonata, first performed in 1809, has been described as the first sonata for piano and cello to treat the instruments as equal partners?
... that Beethoven's <b id="mwAr8"><a href="./Cello_Sonata_No._3_(Beethoven)" id="mwAsA" rel="mw:WikiLink" title="Cello Sonata No. 3 (Beethoven)">Third Cello Sonata</a></b>, first performed in 1809, has been described as the first sonata for piano and cello to treat the instruments as equal partners?<!--Special occasion hook for December 16 12:00 UTC-->