Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:Gmin
['cBBF FGBG GFDF B,2 DF', 'dcBA ABGB EBBG FBDB']  
X:1
L:1/8
M:4/4
K:Gmin
 F | FBdc cBBF | FGBG GFDF | B,2 DF BFGB | dccB GFGA | BFdc cBBF | FGBG GFDF | B,2 DF BF d2 | 
 cBBA B3 :| F | Fffd dcBA | ABGB EBBG | FBDB FGBc | cdcB cAGF | fddc dcBA | ABGB EBBG | FBDB FGBd | 
 cBBA B3 :|  