Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:6/8
K:G
['d def gfe e3 B2 B ABc']  
X:1
L:1/8
M:6/8
K:G
 d | def gfe | e3 B2 B | ABc edB | G3 F2 F | GAB ABc | e3 d2 G | GAB AcB | G3- G2 ||  