Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:3/4
K:G
['G4 AF B4 cA BG gfed x4{Bc}', 'e^c f4 ge fd afd=c c6 e2']  
X:1
L:1/8
M:3/4
K:G
 G4 AF | B4 cA | BG gfed |"^1)" x4{Bc} B2 | e4 (3gfe | d>f g2 d2 | (3efg c2 B2 | A6 :: d4 e^c | 
 f4 ge | fd afd=c |"^1)" c6 | e2 cege | dB g2 d=f | (3edc B2 A2 | G6 :|  