Design a tuneful piece that utilizes the given musical sequence as a key element.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/4
K:D
 z3/2 D/ FG |:"D" A2 d2 | A>B AG |"A7" F2 E2 |1"D" D3/2 D/ FG :|2 D3/2 z/ D>D || DE D2 | 
"A" A,2"D" D>D | DE D2 |"A" A,2"D" A2 | F2 A2 | F2"A7" E>F | GFEA |"D" D z z2 |]  