Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
M:6/8
K:G
['GDG BGB dBd g3 d2 e dcB', 'gfg efg abg fed'  
X:1
L:1/8
M:6/8
K:G
|: GDG BGB | dBd g3 | d2 e dcB | ABG FED | GDG BGB | dBd g3 | d2 e dcB | AGF G3 :: gfg efg | 
 abg fed | efg dcB | ABG FED | gfg efg | abg fed | cea Bdg | AGF G3 :|  