Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/4
M:3/2
K:F
['A G', 'A G']  
X:1
L:1/4
M:3/2
K:F
|: A3/2 B/ c A G F | E3/2 G/- G B A G | A3/2 B/ c A G F | C F- F A G F :: A3/2 B/ c d e f | 
 g G- G B A G | A/B/ c d/e/ f e/f/ g | f F- F A G F :|  