Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
Q:3/8=84
M:6/8
K:G
['g2 d B2 G ecA F2 D', 'dcB A2']  
X:1
L:1/8
Q:3/8=84
M:6/8
K:G
"^A" g2 d B2 G | ecA F2 D | G2 A Bcd | dcB A3 | g2 d B2 G | ecA F2 D | EFG edc | BcA G3 :| 
"^B" e2 d efg | dcB A2 G | c2 B cde | dcB A2 c | B2 d G2 g | f2 a d2 g | fed bag | fge d3 :|  