Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/2=100
M:2/4
K:D
['f2 (fd)']  
X:1
L:1/8
Q:1/2=100
M:2/4
K:D
 f2 (fd) | f2 (fd) | f2 (fd) | (cA)(ec) | f2 (fd) | (gf)(ed) | (cA)(Bc) | d2 d2 ::  