Instrumental transcriptions of Johann Sebastian Bachs keyboard music have been legion -- witness just how many there are of The Musical Offering & The Art of Fugue -- & yet very few of them seem to catch on. One notable exception is violinist & conductor Dmitry Sitkovetskys 1985 trio arrangement of the Goldberg Variations, made to observe Bachs tercentenary & as a memorial to pianist Glenn Gould, more readily associated with the Goldbergs than perhaps any other musician aside from Joh