Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:4/4
K:G
['G2 GF GABc dBeB dBAc BEED EFGA', 'ef gfaf gfed']  
X:1
L:1/8
M:4/4
K:G
|: G2 GF GABc | dBeB dBAc | BEED EFGA | BGAF GFED | G2 GF GABc | dBeB dBAc | BEED EFGA | BGAF G4 :: 
 Beed e2 ef | gfaf gfed | B^cde d2 ef | gfaf gfed | Beed e2 ef | gfaf gfed | BEED EFGA | BGAF G4 :|  