Here is it, the Titanic of classical music, and like that ill-fated cruise ship, this choral/orchestral behemoth usually sinks spectacularly in performance, leaving few survivors. Nevertheless, it has been recorded a surprising number of times despite being almost impossible to pull off successfully. Here are the best (and some of the dullest) versions available of one of the most fascinating and frustrating works in the entire repertoire.gbhgy,k