Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:C
['(3(AGF) cF (3(AGF)', 'f2 af gfdf']  
X:1
L:1/8
M:4/4
K:C
|: F2 (3(AGF) cF (3(AGF) | cF (3(AGF) dcAc | F2 (3(AGF) cFAc | (3(def) cA BAGA :| f2 af gfdf | 
 cFAc dcAc | f2 af gfdf | cFAF GABG | f2 af gfdf | cFAc dcA>f | afge fedfcFAF GBAG ||  