Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
M:4/4
K:D
['dA A2 FA A2', 'dAfd cAge'  
X:1
L:1/8
M:4/4
K:D
|: f | dA A2 FA A2 | BGGF Eeef | dA A2 FA A2 | Bdce fdd :| f | dAfd cAge | fdAd cdeg | dAfd cAge | 
 fdce fddf | dAfd cAge | fdAd cdeg | fdec dBAG | FAce fdd ||  