La Valse
... that George Balanchine choreographed the ballet La Valse to Ravel's music of the same name, which was rejected by an impresario and had been used in unsuccessful ballets before?
... that <a href="./George_Balanchine" id="mwA50" rel="mw:WikiLink" title="George Balanchine">George Balanchine</a> choreographed the ballet <i id="mwA54"><b id="mwA58"><a href="./La_Valse_(Balanchine)" id="mwA6A" rel="mw:WikiLink" title="La Valse (Balanchine)">La Valse</a></b></i> to Ravel's <a href="./La_valse" id="mwA6E" rel="mw:WikiLink" title="La valse">music of the same name</a>, which was rejected by an impresario and had been used in unsuccessful ballets before?