Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:6/8
K:G
['ece dBG']  
X:1
L:1/8
M:6/8
K:G
 (d/c/) | B2 d dBd | ece dBG | Bcd de=f | AFA ABc | B2 d dBd | ece dBG | BdB cAF | GAG G2 | d | 
 geg fdf | ece dBG | geg fdf | ece d2 d | geg fdf | ece dBG | BdB cAF | GAG G2 :|  