Develop a melodic piece adhering to the specified musical form.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/4
M:6/4
K:D
 A | d2 e f2 g | a3 b3 | g3/2 g/ f e2 f | g3 f3 | e3/2 d/ c d2 e | (A3 A2) || f | e3/2 d/ c d2 e | 
 (e3 e2) f | e3/2 d/ c d2 e | (a3 a2) f | e d c B2 A | d2 e f2 b | a b f e2 d | d3 d2 ||  