Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/4
Q:1/8=128
M:4/4
K:Eb
['G/F/ E B, G, B, E3/2 F/', 'B e d c B']  
X:1
L:1/4
Q:1/8=128
M:4/4
K:Eb
|: G/F/ | E B, G, B, | E3/2 F/ G c | B G F3/2 E/ | D F F G/F/ | E B, G, B, | E3/2 F/ G c | 
 B G F3/2 G/ | E3 :| B | e d c B | e2 E3/2 c/ | B G F3/2 E/ | D F F B | e d c B | e2 E3/2 c/ | 
 B G F3/2 G/ | E3 B | e d c B | B/A/ B/c/ d/c/ d/e/ | f F F F | E3/2 F/ G c | B3/2 c/ B G | 
 F E F G | E/F/ G/F/ E C | E3 ||  