Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
['', 'BGB cBA Bcd ecA', 'Bcd ecA'  
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
 G |: FDD ADD | BGB cBA | Bcd ecA | ABG FED | G3 A2 A | BGB cBA | Bcd ecA | AGG G2 G :: def gdB | 
 dBG c2 A | Bcd ecA | ABG FED |1 def gdB | dBG c2 A | Bcd ecA | AGG G2 B :|2 G3 A2 A | BGB cBA | 
 Bcd ecA | AGG G2 ||  