Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
M:6/8
K:G
['D GAG GBc', 'def gag fed'  
X:1
L:1/8
M:6/8
K:G
 D | GAG GBc | dge dBG | AGA BGD | EFE E2 D | GAG GBc | ded dBG | AGA BGD | E2 F G2 :: B | 
 def gag | fed edB | def gag | fed e2 d | def gag | fed ege | dBG GBc | dge dBG | AGA BGD | 
 EFE E2 D | GAG GBc | ded dBG | AGA BGD | E2 F G2 :|  