Design a tuneful piece that utilizes the given musical sequence as a key element.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:D
 A | A2{d} dd de/f/ (g/f/e/d/) | d>c cc A2 (A/B/c/d/) | e2 ce a2 (g/f/e/d/) | f>e dd d2 z :: e/f/ | 
 g>b bb b2 (a/g/f/g/) | e>a aa a2 (g/f/e/d/) | cd ef g>A Bc | e>d dd d2 z :|  