Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:6/8
K:D
['d2 A', 'dfa afa bag fed'  
X:1
L:1/8
M:6/8
K:D
 D3 F2 A | dfe d2 A | BcB B2 b | afd e2 d | DED F2 A | dfe d2 A | BdB ABc | dAF EDB, | D3 F2 A | 
 dfe d2 A | BcB B2 g | fg/a/g fed | D3 def | def d2 A | Bc/d/B ABc | d2 F FED || dfa afa | 
 bag fed | dfa afd | def e2 d | dfa afa | bag fed | Bc/d/B ABc | d2 F FED | dfa afa | bag fed | 
 dfa bcd | def fed | fab gbb | agf gfe | dcB ABc | dAF EDB, ||  