Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
M:6/8
K:G
['GFG G2 B', 'd2 B']  
X:1
L:1/8
M:6/8
K:G
 D | GFG G2 B | GFG G2 B | AFD DFA | AFD DEF | GFG G2 B | GFG G2 B | AFD DEF | G3 G2 :| B/c/ | 
 d2 B d2 B | GAG GBd | e2 c e2 c | ABA ABc | d2 B d2 B | GAB G2 B | AFD DEF | G3 G2 :|  