Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:2/2
K:Emin
['Bc({Bc} BA)GF', 'e^c D2 de{de} d2 AF'  
X:1
L:1/8
M:2/2
K:Emin
|: v[EG,]2 Bc({Bc} BA)GF |({EF} ED)dB (AF)ED | E2 Bc({Bc} BA)GF | (Ec)B^d ue2 uE2 :| 
 vE2 ga{ga} g2 e^c | D2 de{de} d2 AF | E2 ga{ga} g2 ec | (Bg)f^d ue2 uE2 | vE2 ga{ga} g2 e^c | 
 D2 de{de} d2 AF | (DF)EG (FA)GB | (Ac)B^d (eB)GF"^D.C." |]  