Construct a musical piece that complies with the specified structure and abides by genre conventions.
Only One Section  
X:1
L:1/8
M:2/4
K:G
 D | DG GG | FA D2 | Dd d3/2 B/ | c/B/ A/G/ F D/D/ | dd dB | cc cB | cB AG | FE D D/D/ | 
 GG A/A/ F | G4- | G4- | G2 z ||  