Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:4/4
K:G
['e2 ce- egfe d2 B4'  
X:1
L:1/8
M:4/4
K:G
|: GE |"D" DEFG AcBA |"G" G2 Bd- dBdB |"C" c2 eA-"D" AFAc |"G" B2 dB- BGBG |"D" DEFG AcBA | 
"G" G2 Bd- dBdB |"C" c2 eA-"D" AFdc |"G" B2 G2 G2 :| gf |"C" e2 ce- egfe |"G" d2 B4 ed | 
"D" c2 AF- FAcA |"G" e2 dB- BGgf |"C" e2 ce- egfe |"G" d2 B4 d2 |"D" d2 de fdef | 
"G" g4"G7" =f2 g=f |"C" e2 ce- egfe |"G" d2 B4 ed |"D" cAFA DFAF |"G" edBd G2 gf |"C" e2 ce- egfe | 
"G" d2 B4 d2 |"D" d2 de fdef |"G" [Bg]6 ||  