Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:4/4
K:C
['D3 E', 'dfed AcBd']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:D]SOSOO .!fermata!PMTuCO MD3 E FGAF | D2 (AF) GECE | D3 E FGAB | cAdB cAGE | 
 D3 E FGAF | D2 (AF) GECE | D3 E FGAB | cAdB cAGB || Addc dfed | AcBd cAGB | Adde fdeB | 
 cAdB cAGE | Addc dfed | AcBd cdeg | agef{a} gfed | cAdB{d} cAGE B2 |]  