Build a musical number by combining the given character designation and the presented melodic structure.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
['', 'A2 EA', 'Bgdg =gfga bgeg a2 ea abea a2']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
 dB |: A2 EA A2 EA | ABcd edcA | G2 DG G2 DG | G2 BG DGBG | A2 EA A2 EA | ABcd ecdB | ABcd e2 dc |1 
 BAGA BdgB :|2 BAGA BAAe |]"^K:A" a2 ea abea | a2 ed cdef | =g2 dg Bgdg | =gfga bgeg | a2 ea abea | 
 a2 ed cdef | =gfga bgaf | =g/f/e dB BA A2 :|  