Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:4/4
K:G
['', 'Bd e B3 eBdB AGAB GEDE', 'gede dega bgag eaag a2 ga bgeg']  
X:1
L:1/8
M:4/4
K:G
 Bd |: e B3 eBdB | AGAB GEDE | G B3 GABd | eBdB A2 Bd | e B3 eBdB | AGAB GEDE | GABd gedB |1 
 AGAB GABd :|2 AGAB G2 de |: gede gaba | g3 a gede | dega bgag | eaag a2 ga | bgeg d2 de | 
 gede gaba | g3 a gedB |1 AGAB G2 de :|2 AGAB GABd ||  