Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:G
['D3 E G2', 'gdBd efge', 'd3 e dB B2 dBgB aA A2']  
X:1
L:1/8
M:4/4
K:G
 D3 E G2 BG | AGAB dBAG | D3 E G2 ge | dBAc BGGE | D3 E G2 BG | AGAB dBAG | D3 E G2 ge | 
 dBAc BG G2 |] gdBd efge | dcBG AGEG | gdBd efge | dcBA GABd | gdBd gdBG | A3 B AGEG | gfed efge | 
 dcBA GABc |] d3 e dB B2 | dBgB aA A2 | Bdef gdBG | DEGc BGGB | d3 e dB B2 | dBgB aA A2 | 
 Bdef g3 e | d2 Bd gdBG |]  