Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/16
M:2/4
K:Amin
['', 'edcB A2Ac A2Ac B2E2 E^GB2 cBA^G ABcd']  
X:1
L:1/16
M:2/4
K:Amin
|: Ac |:"Am" e2ef edcB | A2Ac A2Ac |"E7" B2E2 E^GB2 |1,3"Am" cBA^G ABcd :|2,4"Am" cBA2 A2 :: Ac |: 
"Am"{B} c2E2"E7" B2E2 |1,2"Am" ABcB"E7" E2B2 :|3"Am" A2ce a2a2 |"E7" ^gbg^f e2fg |"Am" a2a2 a2 :|  