Craft a composition using the given motif while maintaining the musical form outlined by alphabet characters.
X:1
L:1/8
M:2/4
K:G
['GG Gc Bd BG', 'Bd BG Bd B2 Ac AF']  
X:1
L:1/8
M:2/4
K:G
|: GG Gc | Bd BG | DD DG | FA FD | GG Gc | Bd BG | Ac AF | G2 G2 :: Bd BG | Bd B2 | Ac AF | Ac A2 | 
 Bd BG | Bd B2 | Ac AF | G2 G2 :|  