Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:6/8
K:G
['D G2 G GBG BAB c2', 'Bcd gag'  
X:1
L:1/8
M:6/8
K:G
 D | G2 G GBG | BAB c2 c | dcB ABc | BAB G2 D | G2 G GBG | BAB c2 e | dcB ABc | BGG G2 :: z | 
 Bcd gag | BBB B3 | efg aba | ddd d3 | Bcd gag | dcB A2 e | dcB ABc | BGG G2 :|  