Create a composition using the letter notation of the specified musical motif and the provided melodic theme.
X:1
L:1/4
M:3/4
K:G
['B3/2 A/ G', 'e f g']  
X:1
L:1/4
M:3/4
K:G
 D | B3/2 A/ G | B c d | e3/2 c/ e | d2 c | B3/2 A/ G | D G B | B3/2 A/ G | A2 D | B3/2 A/ G | 
 B c d | e f g | d2 c | B3/2 c/ d | B A G | D3/2 A/ F | G2 :| g | e2 c | e f g | d3/2 e/ c | B2 G | 
 E G c | D G B | d g B | A2 g | e3/2 c/ G | d B G | e f g | d2 c | B3/2 c/ d | B A G | D3/2 A/ F | 
 G2 :|  