Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
Q:1/8=140
M:3/8
K:G
['(3d/e/f/ gdd dBG', 'G2 D FAc Bdg fa^c d2 (3d/e/f/']  
X:1
L:1/8
Q:1/8=140
M:3/8
K:G
 (3d/e/f/ | gdd | dBG | AA/B/c/A/ | BG (3d/e/f/ | gdd | dBG | AA/G/A/B/ | G2 :: D | FAc | Bdg | 
 fa^c | d2 (3d/e/f/ | gdd | dBG | AA/G/A/B/ | G2 :|  