Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:6/8
K:D
['DFA AFA gfe agf dBB gBB ece', 'GBd edB ege BdB'  
X:1
L:1/8
M:6/8
K:D
 DFA AFA | gfe agf | dBB gBB | ece gfe | dfa gfc | bag fed | ege BdB | dgd edB :| dBB GBB | 
 GBd edB | ege BdB | AGE GED | DGG BGG | GBd edB | ege BdB | dgd edB :|  