Compose music following the given musical structure in a specific language.
Only One Section  
X:1
L:1/8
Q:1/4=144
M:2/2
K:D
"^1" d2 d2 e2 e2 | f2 f2 g2 g2 | a2 d'2 a2 f2 | e2 de f4 |"^2" f2 f2 g2 g2 | aaaa agfe | 
 d2 a2 f2 d2 | A2 A2 d4 |"^3" aaaa agfe | dddd eeee | ffff aaaa | agfe d4 :|  