Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:2/2
K:A
['A,EAc d/c/B/A/ GB', 'FEAE FEAE CD/E/', 'A,AA d cdeA GAFG EACA B,AAd cdeA', 'EAA c Acfg agfe dcBA GBBc Aaga']  
X:1
L:1/8
M:2/2
K:A
|: E | A,EAc d/c/B/A/ GB | cd/e/ cd/e/ BB,B,C | A,EAc d/c/B/A/ GB | Bc/d/ Bc/d/ AA,A, :: E | 
 FEAE FEAE | CD/E/ CD/E/ B,BBE | FEAE FEAE | CD/E/ CD/E/ A,AA :: d | cdeA GAFG | EACA B,AAd | 
 cdeA fAeA | dcBA EAA :: c | Acfg agfe | dcBA GBBc | Aaga faca | ca ga/b/ aAA :|  