Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
M:3/4
K:Eb
['G/A/ BB e2 e>e fg e c2', 'E3 G/A/ BB e2 e/e/e/e/ fg ec']  
X:1
L:1/8
M:3/4
K:Eb
 G/A/ BB | e2 e>e fg | e c2 z e>c | B3 GGF | E C2 z B,C | E/D/E/D/E/D/ E/D/E/D/E/D/ | E3 || 
 G/A/ BB | e2 e/e/e/e/ fg | ec z cec | B3 GGF | E C2 z B,C | E/D/E/D/ E/D/E/D/E/D/ | E2 ||  