Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:4/4
K:G
['', 'dc B2 BG ABGE DGBG AGED B2', 'EGDE G3 F G2 BG A3 G', 'Bdgd Bdgd']  
X:1
L:1/8
M:4/4
K:G
 dc |: B2 BG ABGE | DGBG AGED | B2 BA Bcde | dBAG EGDE :| G3 F G2 BG | A3 G A2 BA | Bdgd Bcdc | 
 AcBG AGED :| Bdgd Bdgd | egdg eg d2 | Bdgd Bdgd | egfa g4 :|  