Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
Q:1/2=90
M:2/4
K:none
['D2 (3(Bcd) BGAF', 'd2 defd ecdB AcdF E2 B2 DEFG']  
X:1
L:1/8
Q:1/2=90
M:2/4
K:none
|: D2 (3(Bcd) | BGAF | GABG | E2 B2 | D2 (3(Bcd) | BGAF | defd | B2 d2 :: defd | ecdB | AcdF | 
 E2 B2 | DEFG | ABAF | GEAF | D2 d2 :|  