Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
Q:1/8=80
M:4/4
K:D
['D2 dc d2', 'd2 eB A2 GF'  
X:1
L:1/8
Q:1/8=80
M:4/4
K:D
 DE | F2 GF E2 FE | D2 dc d2 G/A/B | egfe dcBG | A2 B2 A2 DE | F>AGF E>GAG | D2 dc d2 A/B/d | 
 egfe dcBG | A2 G2 A2 || dB | cBBA AFFE | DF/A/ dc d2 eB | A2 GF EFGA | AFGE D2 dB | cBAB AFFE | 
 DAdc d2 eB | A2 GF EFGB | AFGE D4- | D8 |]  