Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['d ded B2 G', 'BBB B2 g BBB']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 d | ded B2 G | A2 F D2 G | GAB c2 B | B3 A2 d | ded B2 G | g2 e c2 e | edB dcA | G2 z g2 :: B | 
 BBB B2 g | BBB B2 g | BBB c2 B | B3 A2 d | ded B2 G | g2 e c2 e | edB dcA | G2 z g2 :|  