Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Eb
['e2 d c']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Eb
 B | e2 d c B2 c (d/e/) | G G A F E3 B | e2 d c B2 c (d/e/) | G G A F E2 z B | 
 G3/2 E/ G B e2 d/e/ | d B c =A B3 (c/ d/) | e2 d c B3/2 B/ (c d/e/) | G3/2 G/ A F E3 B | 
 G3/2 E/ G B e2 c (d/e/) | d B (d/c/) (B/=A/) B3 (c/ d/) | e2 d c B3/2 B/ (c d/e/) | 
 G3/2 G/ A F E2 |]  