Create a melody following the provided musical guidelines.
Only One Section  
X:1
L:1/8
M:4/4
K:D
|: a2 a2 a4 | B4- B4 | f2 e>f g>ec>d | (3efe (3ded (3cdc (3BcB | a2 a2 a4 | B4- B4 | 
 f2 e>f g>ec>d | e2 d2 d4 :|  