Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:C
['[A,E]2 [A,E][CE] ECA,<C']  
X:1
L:1/8
M:4/4
K:C
"Am" [A,E]2 [A,E][CE] ECA,<C |"Em" B,2 B,C"G" DB,G,<B, |"Am" [A,E]2 [A,E][CE] ECA,<C | 
"Em"{B,C} B,G,{B,C}B,G,"Am" A,4 |"Am" A,>CEC ECA,<C |"Em" B,CDE"G" DB,G,<B, | 
"Am" A,CB,<D"C" CED<F |"Em" EDC<B,"Am" A,4 ::"C" cGcd e>cG<c |"G" BGBc d>BG<B |"C" cGcd e>cG<c | 
"G" B>GB<G"Am" A3 B |"C" cBcd e>cG<c |"Em" BABc"Dm/F" d<efd |"Am" cABd"F" cABG | 
"Em" EGA<B"Am" A4 :|  