Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:Amin
['AA A>B A>c BB B>d A2 ee']  
X:1
L:1/8
M:2/4
K:Amin
|:"Am" AA A>B |"Am" c"Em"B/c/"Am" A>c |"G" BB B>d |"A" c"G"B"Am" A2 ::"Am" ee ed/c/ |"G" dd d2 | 
"F" cc cB/A/ |"Em" BB B2 |"Am" ee/d/"G" B>d |"F" c"G"B"Am" A2 :|  