Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:4/4
K:G
['EAGE DB, B,2 DEGA', 'G ABc d2 Bd cBAF G2 BG']  
X:1
L:1/8
M:4/4
K:G
 eed | BedB AdBA | GBAG EAGE | DB, B,2 DEGA | BG G2 ABcA | BedB A2 BA | G2 AG EAGE | DB, B,2 DEGA | 
 BdAF G :| ABc | d2 Bd cBAF | G2 BG AGEG | DG G2 eGdG | cBAG FGAB | cBce dBAG | edef gdBG | 
 DGBG EGce | dBAB G :|  