Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:2/4
K:D
['D/E/ FD DE/F/ GE EA/G/ |1 FD', 'Ad BG G(G/A/) BG Be cA AA/G/']  
X:1
L:1/8
M:2/4
K:D
 D/E/ | FD DE/F/ | GE EA/G/ |1 FD DC/D/ | (E/D/)(C/B,/) A, :|2 FD EC | D2 z || (F/G/) | AF Ad | 
 BG G(G/A/) | BG Be | cA AA/G/ | FD DE/F/ | GE EA/G/ | FD EC | D2 z |]  