Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:G
['cBAG (3FGA (3GFE']  
X:1
L:1/8
M:4/4
K:G
|: (3DEF |"G" GFGA Gdef | gGFG EGDG |"C" C2 ed"Am" cBAG |"D" (3FGA (3GFE DcBA |"G" GFGA Gdef | 
 gGFG"C" EGce |"G" dBGB"D" AFDF |"G" G2 B2 G2 :: Bc |"G" dBgB dB"C"ce |"G" dBgB dB"C"ce |1 
"G" dBed"Am" cBAG |"D" (3FGA (3GFE D2 :|2"G" dBGB"D" AFDF |"G" G2 B2 G2 :|3"G" dBed"Am" cBAG | 
"D" (3FGA (3GFE DcBA |"G" GFGA Gdef | gGFG"C" EGce |"G" dBGB"D" AFDF |"G" G2 B2 G2 ||  