Construct a musical composition based on the provided framework and stylistic instructions.
Only One Section  
X:1
L:1/8
M:4/4
K:D
 a2 af dfaf | cfaf Bfaf | g2 ge cege | Bege Aege | a2 af dfaf | cfaf Bfaf | g2 gf gbag | 
 fdec defg |]  