Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
Q:1/8=180
M:2/4
K:G
['(Bc) dB GB', 'D2 A2 A>B AF D2 d2 de'  
X:1
L:1/8
Q:1/8=180
M:2/4
K:G
"^*" G>G (Bc) | dB GB | A2 AB | AF D2 | GG (Bc) | dB GB | AG FE | D2 D2 :: A2 A>B | AF D2 | d2 de | 
 d>B G2 | (cB) cd | ef ge | dB AF | G2 G2 :|  