Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:2/2
K:Amin
['geae ge f2', 'cAce ac d2']  
X:1
L:1/8
M:2/2
K:Amin
 a | geae ge f2 | edBA GBBa | geae ge f2 | ecBA EAA :: e/d/ | cAce ac d2 | edBA GBBe | cAce ac d2 | 
 ecBA EAA :|  