B

(Ger. H; Fr., It., Rus., Sp., si). 1. The seventh tone and degree in the diatonic scale of C major. 2. In music theory, uppercase B designates the B-major triad, while lowercase b indicates the b-minor triad. 3. In German, B♭ This unique usage makes it possible to render JOHANN SEBASTIAN BACH'S name in musical notes, since the German H corresponds to B♭ (see B-A-C-H) . 4. (Abbr.) BASS, basso; c.B., col Basso; B.C., BASSO CONTINUO).