Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:G
['G2 BG DGBd g2 fg (3efg dB', 'ADFA GBdB ceag']  
X:1
L:1/8
M:4/4
K:G
|: D2 | G2 BG DGBd | g2 fg (3efg dB | c2 ec B2 dB | ADFA dcBA | G2 BG DGBd | g2 fg (3efg dB | 
 c2 ec B2 dB |1 ADFA GDEF :|2 ADFA G2 ef |: gdBg e2 ce | edBG ADFA | GBdB ceag | (3fga ea d2 ef | 
 gdBg e2 ce | edBG ADFA | GBdB ceag | (3fed (3cBA G2 :|  