Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:6/8
K:D
['GBd Adf a2 g']  
X:1
L:1/8
M:6/8
K:D
|:"D" DFA"G" GBd |"D" Adf a2 g |"D" fed"Bm" Bcd |"G" ecA"A7" GFE |"D" DFA"G" GBd |"D" Adf a2 g | 
"D" fef"G" gec |"A" edc"D" d3 ::"D" afd dcd |"G" BGF G2 F |"E7" E^GB e2 d |"A" cA^G A2 g | 
"D" fdA FDF |"G" GBd g2 g |"D" fef"G" gec |"A" edc"D" d3 :|  