Construct a musical piece that integrates the provided motif and corresponds to the indicated musical structure.
X:1
L:1/8
Q:1/8=160
M:6/8
K:D
['FED cBA dcd efg fed cAG', 'dfa dfa'  
X:1
L:1/8
Q:1/8=160
M:6/8
K:D
 G | FED cBA | dcd efg | fed cAG | FAF GFE | FED cBA | dcd efg | fed cAG | ABc d2 :| A | dfa dfa | 
 dfa afd | =ceg ceg | =ceg gfe | fdf gfe | agf bag | fed cAG | ABc d2 :|  