Queenie Pie
... that jazz composer Duke Ellington worked on his only opera, Queenie Pie, from the 1930s until his death in 1974 without finishing it?
... that jazz composer <a href="./Duke_Ellington" id="mwBAM" rel="mw:WikiLink" title="Duke Ellington">Duke Ellington</a> worked on his only opera, <i id="mwBAQ"><b id="mwBAU"><a href="./Queenie_Pie" id="mwBAY" rel="mw:WikiLink" title="Queenie Pie">Queenie Pie</a></b></i>, from the 1930s until his death in 1974 without finishing it?