Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
Q:1/4=120
M:2/4
K:G
['GA B>d cB', 'd2 B']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:G
 GA B>d | cB AA | GA B>d | cB A2 ::[M:6/8][Q:3/8=120] d2 B d2 B | dcB ABc | d2 B d2 B | cBA G3 :|  