Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:D
['ABAF DFGA B2 Bc BAFA dfdB', 'defg afdf g2 fd']  
X:1
L:1/8
M:4/4
K:D
 ABAF DFGA | B2 Bc BAFA | dfdB ABde | f2 fd e4 | ABAF DFGA | B2 Bc BAFA | dfdB ABdB | AFEF D4 || 
 defg afdf | g2 fd edBc | defg afdf | g2 fd e4 | defg afdf | g2 fd edBc | dfdB ABdB | AFEF D4 ||  