Get ready to feel moody with "Keyboard Sonata in B-Flat Major, Op. 17 No. 6, W. A12: I. Allegro" by Johann Christian Bach. With a 131 BPM and 4 time signature, the rhythms flow in A♯/B♭ major. Spanning 3 minutes and 42 seconds, "Keyboard Sonata in B-Flat Major, Op. 17 No. 6, W. A12: I. Allegro" radiates low energy from start to finish. Let the moody vibes of this track carry you away.