Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/4=162
M:6/8
K:Fmin
['F/G/ AcA BGB A<FF F2 G AcA', 'Acf ecA']  
X:1
L:1/8
Q:1/4=162
M:6/8
K:Fmin
 F/G/ | AcA BGB | A<FF F2 G | AcA BcA | G<EE E2 G | A>GA BAB | c2 f fed | c>BA G/A/BG | AFF F2 :: 
 G | Acf ecA | ecA ecA | GBe BGE | BGE BGE | Acf ecA | agf ecA | B/c/dB G/A/BG | AFF F2 :|  