Design a tuneful piece that utilizes the given musical sequence as a key element.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:3/4
K:Ddor
 B2 B2 c2 | B>B Bd cB | B2 B2 c2 | B>B Bd cB | B>A AF D2 :: d>e fg af | b>a af ga | 
 (3fgf (3ece A2 | d>e fg af | b>a af ga | (3fgf (3ece d2 :|  