Develop melodies adhering to the specified musical structure and using the offered theme.
X:1
L:1/8
Q:3/8=120
M:6/8
K:D
['d>ef A2', 'a2 f'  
X:1
L:1/8
Q:3/8=120
M:6/8
K:D
 A | d>ef A2 f | g2 f e2 d | d>ef A2 A | (B3 d2) :| z | d2 f a2 f | b2 g a2 f | d2 f a2 g | 
 (f3 a2) d | b2 g e>fg | a2 f d>ef | d>ef A2 A | (B3 d2) |]  