Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:4/4
K:D
['AFdB ABAF DFAF E2 EB AFAd', 'defg a2 fd fafd']  
X:1
L:1/8
M:4/4
K:D
 AFdB ABAF | DFAF E2 EB | AFAd cde/f/d cABc dcdB | AFdB ABAF | DFAF E2 EB | AFAd (3Bcd (3efd | 
 cABc defg || a2 fd fafd | fafd e2 ef | gfef gbag | fedc defg | a2 fd fafd | gabg fgaf | 
 gfef gbag | fedc dcdB ||  