Construct tunes adhering to the given musical structure.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/16
M:2/4
K:D
|: aaaa b2a2 | ffff g2f2 | Adfa bafd | f2e2 e2>f2 | gggg a2g2 | eeee f2e2 | Acec BAGF | 
 B2A2 F2>G2 | AAAA B2A2 | FFFF G2F2 | DFAd fdAF | DFAd B2G2 | DGBd edBG | DFAd BAFD | AAAA B2c2 | 
 d2e2 f4 | DGBd edBG | DFAd BAFD | AAAA B2c2 | d2f2 d4 ::[K:A]"^B" efec eafe | afec Aafe | 
 EGBe fecB | Acef e2 c2 | efec eafe | afec Aafe | EGBe fefg | a2 a2 a4 :|  