Develop harmonic tunes by conforming to the outlined musical pattern.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:D
|:"D" f2 ff f2 gf |"A" e2 c2"D" d3 d |"A" c2 d2 efec |"D" d2 e2 f2 d2 |"D" f2 ff f2 gf | 
"A" e2 c2"D" d3 A |"G" g2 (3(fgf)"Em" e2 d2 |1"A7" B2 c2"D" d2 A2 :|2"A7" B2 c2"D" d2 (3(ABc) |: 
"D" d2 fd adfd |"C" (3(=cdc)ec gcec |"D" d2 fd adfa |"A" bgec dcBA |"D" d2 fd adfd | 
"C" (3(=cdc)ec gcec |"D" d2 fd adfa |1"A" bgec"D" d2 (3(ABc) :|2"A" bgec"D" d2 A2 ||  