Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:D
['DAFA DAFA defe dcBA eAfA', 'eA A2']  
X:1
L:1/8
M:4/4
K:D
 AF | DAFA DAFA | defe dcBA | eAfA gAfA | (3efe (3dcB (3ABA (3GFE | DAFA DAFA | defe dcBA | 
 eAfA gfec | d2 f2 d2 :: cd | eA A2 fA A2 | gAfA eA A2 | eAfA gAfA | (3efe (3dcB (3ABA (3GFE | 
 DAFA DAFA | defe dcBA | eAfA gfec | d2 f2 d2 :|  