Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/8
M:4/4
K:C
['[M:2/2][K:G] .abc D2 GBAG FGAc BGBd g2', 'ga bagf g2 (dg) ecAG FGAc BGAF']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:G] .abc D2 | GBAG FGAc | BGBd g2 (dg) | ecAG FGAc ||1 BGAF GFED :|2 BGAF G2 || d2 | 
 g2 fg a2 ga | bagf g2 (dg) | ecAG FGAc | BGAF GFED | g2 fg a2 ga | bagf g2 (dg) | ecAG FGAc | 
 BGAF G2 |]  