Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
Q:1/2=75
M:4/4
K:D
['d>efd gefd']  
X:1
L:1/8
Q:1/2=75
M:4/4
K:D
 A | d>efd gefd | e A2 B =c2 BA | d>efd gefd | (f/g/a) A2 d3 |:  