Hal David, who died Sept. 1 at the age of 91, was a lyricist with a unique understanding of how to partner a singer and a song. For all the adventure longtime partner Burt Bacharach infused in the melodies of the tunes they wrote together, David was an equal when it came to instilling a pared-down (and instantly memorable) sophistication in a lyric. Though his biggest hits came in the '60s, he wa