Bach invention in D minor

Bars 1-2 are expository as the main motive of this section is passed from the right hand, to the left hand, then back to the right hand. Development ensues culminating in a PAC in bar 18 which begins a new sections. Notice the trill in the right hand here then in th eleft hand in bar 29. Bar 38 there is a PAC in a minor and this begins the third section as more development ocurrs then it finally becomes terminative. Notice the passing of the subject in bar 38 in the right hand to bar 40 in the left hand. It ends in a PAC in D.