J. S. Bach’s Prelude and Fugue in C Major, BWV 547, is unusual in a number of important respects. It is the only organ prelude in a 9/8 time signature, endowing it with a particularly dance-like mood and earning it the obvious nickname, "The 9/8." The prelude begins with canonic entries in the manuals and a fanfare theme in the pedal that also ends the prelude. The first six bars present nearly all of the motifs that make up the entire piece. This economic use of musical material is not unusual for Bach, but in this piece the inventiveness with which he combines and varies the motifs is unparalleled. The fugue is particularly unusual, in that there is no use of the pedals for a full two-thirds of the piece. They make their dramatic entrance in one of the most glorious moments in all the organ fugues, with an augmentation of the fugue subject against stretto entrances of the subject on the manuals. In both the prelude and the fugue a climax is reached when Bach experiment