Construct a musical work by incorporating the designated motif and the alphabet-based framework.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Gmin
['GGGG_ABAG GGGG_ABAG']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Gmin
|: GGGG_ABAG | GGGG_ABAG | GGGG_ABAG | dc/B/_AGABAG :|  