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
['AGE ABA AGE dcA', 'G2 G', 'GED DFA']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] .abc cdA AGE | ABA AGE | dcA AGE | GAG GED | dcA AGE | ABA AGE | dcA ABc | dcA GED :: 
 G2 G AEE | AGG AEE | G2 G AEE | AGG GEA | G2 G AEE | AGG AEE | G2 G ABc | dcA GED :: DFA DED | 
 DFA GED | DFA DED | DEF GED | DFA DEE | DFA GED | DFA ABc | dcA GED ::  