Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:2/4
K:Dmix
['A2 AG Ad dB c>B cG']  
X:1
L:1/8
M:2/4
K:Dmix
 A2 AG | Ad dB | c>B cG | EF G/A/B | A2 AG | Ad dB | c>B cG | ED D2 :|  