Design a tuneful piece that utilizes the given musical sequence as a key element.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:D
 A>d f2 | A>e g2 | (fa) (df) | e>d c>B | A>d f2 | A>e g2 | fdBc | d2 D2 :| e>^g b2 | e>a c'2 | 
 d'>b ^g>b | a>c' e'2 | e>^g b2 | e>a c'2 | d'>b ^g>b |"^DC" a2 A2 |]  