Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/4=88
M:2/4
K:Cmin
['G (c>=Bcd) e3 e (f>edc) [G=B]3 [GB]', '[=Bg]3 (e/f/) (g>fed) e3 e (f>edc) =B3']  
X:1
L:1/8
Q:1/4=88
M:2/4
K:Cmin
"^Andante" G | (c>=Bcd) | e3 e | (f>edc) | [G=B]3 [GB] | (c>=Bcd) | (e>def) | [=Bg]3 || (e/f/) | 
 (g>fed) | e3 e | (f>edc) | =B3 B | (c>def) | (g>f) (e/d/c/=B/) | [Ec]3 ||  