Get ready to feel positive with "Keyboard Sonata in A Major, Wq. 55 No. 4, H. 186: I. Allegro assai" by Carl Philipp Emanuel Bach. With a 138 BPM and 4 time signature, the rhythms flow in E major. Spanning 4 minutes and 3 seconds, "Keyboard Sonata in A Major, Wq. 55 No. 4, H. 186: I. Allegro assai" radiates average energy from start to finish. Let the positive vibes of this track carry you away.