Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:2/4
K:Ab
['E AECE AECE AABB c z c2']  
X:1
L:1/8
M:2/4
K:Ab
 E | AECE | AECE | AABB | c z c2 | cc/c/ce | B2 Be | ccBB | A2 z2 | c2 c>c | ccce | ddBB | A2 z |]  