Construct tunes adhering to the given musical structure.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:D
 a2 (fd) | (cd)(cd) | BGFE | DFAd | a2 (fd) | (cd)(cd) | BGFE |{E} D4 :: DAFA | DBGB | gedc | 
 dAFD | DAFA | DBGB | gedc | d2 D2 :|  