Flower Drum Song occupies a unique position in the Rodgers and Hammerstein canon.  The 1958 musical wasn’t one of the duo’s timeless hits (Oklahoma!, Carousel, South Pacific, The King and I, The Sound of Music).  Nor was it one of their three commercial misses (Allegro, Me and Juliet, Pipe Dream).  Instead, when considering the R&H oeuvre, it resides somewhere in between.  It played 600 performances, and yielded a successful London production, a couple of bona fide classic songs, a big-screen adaptation, and one heavily-revised Broadway revival.  Now, Craft Recordings has celebrated the…