Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:C
['EFE G2 A BGE', 'AFA d2']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:Emin] .abc D | EFE G2 A | BGE FEF | DED F2 G | AdB AFD | EFE G2 A | BGE FGA | BdB AdF | 
 EGF E2 :: A | AFA d2 d | ^cec d2 A | AFA d2 A | BAG FED | E2 e e2 f | g2 e f2 d | B2 e e2 f | 
 gfe fdB | AFA d2 d | ^cec d2 A | AFA d2 A | BAG FED | EFE G2 A | BGE FGA | BdB AdF | EGF E2 :|  