Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:3/4
K:D
['A2 d3', 'G2 AB', 'AB cB AG FE DE FG A2']  
X:1
L:1/8
M:3/4
K:D
|: A2 |:"D" d3 A Bc | d3 e dc |"G" Bc dA Bc |1,3"D" d2 AG FA :|2,4"D" d4 ::[K:G] D2 | 
"G" G2 AB =c2 | B2 AB GD | G2 AB c2 | B2 AB GB |"D" cB AG FE |"D" DE FG AB | cB AG FE | DE FG A2 | 
"G" Bd BG"D" AF |"G" G4 :|  