Compose a piece that follows the given musical structure and style guidelines.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/8=120
M:2/4
K:D
 FA GB | Af f/e/f | Ge e/d/e | Fd d/c/d | FA GB | Af f/e/f | Ge e/d/e | dd d z :|[K:G] ge e/f/e | 
 dB B/A/B | cA A/B/A | BG G/F/G | ge e/f/e | dB B/A/B | cA A/B/A | GG G z :|  