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
['c2 A2', 'b2 gb bagb']  
X:1
L:1/8
M:4/4
K:G
 A2 B2 c2 | dGBd GABc | d2 c/d/c A2 B2 | c2 A2 a2- ae | e2 dc BG A/B/c | dGBd GABc | d2 c2 A2 B2 | 
 c2 A2 e2 d2 | G4- GABc | d2 Bd G2 Ac | d2 c/d/c A2 B2 | c2 A2 e2- ee | e2 dc BG A/B/c | 
 dGBd GABc | d2 c2 A2 B2 | c2 A2 e2 d2 | G4- G2 || ea | b2 gb bagb | a2 ea agef | 
 g/a/g fg e/f/g dg | e/f/g GA BABd | b2 gb bagb | a/b/a ea agef | g/a/g fg eg d2 | g4 g2 aa | 
 b2 gb bagb | a2 ea agef | g/a/g fg egdg | e/f/g GA BABd | b2 gb bagb | a2 ea agef | g2 fd e2 d2 | 
 g4- g2 ||  