Create a composition using the letter notation of the specified musical motif and the provided melodic theme.
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
['G B2 c c2 d d3 B2', 'd g2 f fed d3', 'A2 z']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
"^Moderate." G | B2 c c2 d | d3 B2 d |{d} c2 B c2 A | B3 z2 G | B2 c c2 d | d3 B2 d | 
{d} c2 B c2 A | G3 z2 :: d | g2 f fed | d3 B3 d |{d} c2 B c2 A | B3 z2 d | g2 f fed | d3 B2 d | 
{d} c2 B c2 A | G3 z2 :: z | d3 ded | c3 A2 z | G2 z A2 z | B2 z z2 d | g2 f fed | d3 B2 d | 
{d} c2 B c2 A | G3 z2 :|  