Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:G
['dBAB GGGg dBAG', 'e2 de', 'GGGB GGGB GBAc BdBg', 'dBBd ecce']  
X:1
L:1/8
M:4/4
K:G
 g | dBAB GGGg | dBAG BBBg | dBAB GGGe | dBgB AAAg | dBAB GGGg | dBAG BBBe | degd egde | 
 BdAB GGG || g | e2 de dBgd | e2 de BBBg | e2 de dBgd | e2 dB AAAg | e2 de dBgd | e2 de BBBe | 
 degd egde | BdAB GGG || g | GGGB GGGB | GBAc BdBg | GGGB GGGe | dBgB AAAg | GGGB GGGB | 
 GBAc BdBg | egde deBd | BdAB GGG || g | dBBd ecce | dBgd BBBg | dBBd ecce | dBgB AAAg | 
 dBBd ecce | dBgd BBBe | degd egde | BdAB GGG ||  