Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:C
['A2 (3cBA', 'aece ^fece']  
X:1
L:1/8
M:4/4
K:C
 A2 (3cBA EAce | dcBA GBEB | A2 (3cBA EAce | ecBd cABG | A2 (3cBA EAce | dcBA GBEB | 
 A2 (3cBA cea^f | ecBd cA A2 || aece ^fece | dcBA GBEB | aece ^fece | ecBd cA A2 | aece ^fece | 
 dcBA GBEB | ag^fe ceaf | ecBd cABG ||  