Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:A
['cd ecAc eAce a2 ga fedc Bcde', 'A2 dc B2 dB GBEG ABcd ecAc'  
X:1
L:1/8
M:4/4
K:A
|: cd | ecAc eAce | a2 ga fedc | Bcde fefg | afec B2 cd | ecAc eAce | a2 ga fedc | Bcde fgaf | 
 edcB A2 :: dc | B2 dB GBEG | ABcd ecAc | dcde fgaf | bagf e2 fg | a2 ed cdec | f2 BA GABG | 
 ABcd efga | edcB A2 :|  