Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/8
M:4/4
K:Emin
['A2 Ac', 'e2 ef d2 de']  
X:1
L:1/8
M:4/4
K:Emin
 A2 Ac BG G2 | ABcd edcB | A2 Ac BGGB | cABG E2 D2 :: e2 ef d2 de | c2 cd edcd | e2 ef d2 de | 
 cABG E2 D2 :|  