Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:A
['c2{B} A2']  
X:1
L:1/8
M:4/4
K:A
 EAA>B c2{B} A2 | df B2 df B2 | EAA>B c2{B} A2 | Ac E2 AcEE | EAAB c2{B} A2 | df B2 dfBE | 
 EAA>B c2{B} A2 | Ac E2 Ac e2 | e>f e>c B2 A2 | f>g fd c2 Be | efec{c} B2 AA | AFGE E A3 ||  