Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:2/2
K:G
['d3 e']  
X:1
L:1/8
M:2/2
K:G
"G" d3 e d3 e |"D7" dcBA"G" G4 |"Em" g2 ga bagf |"C" e6"D7" f2 ||"G" g3 a b2 ab | 
"Em" g2 GA"G" B2 AG |"Am" A2 A2 e3 c |"D" A8 |]  