Develop harmonic tunes by conforming to the outlined musical pattern.
'Sectional: Through Composed'  
X:1
L:1/8
M:2/2
K:D
 (dB) | A>D (3DDD AGFG | A>D (3DDD D2 dB | A>D (3DDD AGFG | (3EFE =cA G2 :| (FE) | DddB ABAF | 
 DddB A2 (FE) | DddB ABAF | (3EFE =cA G2 (FE) | DddB ABAF | DddB A2 (Bc) | dBcA BGAF | 
 (3EFE =cA G2 |: (eg) | (3fgf dg (3fgf dg | (3fgf df gbag | (3fgf dg (3fgf df |1 edef gfge :|2 
 edef g2 |: z (g | f)dec dcdB | AFDF A2 (Bc) | dBcA BGAF | (3EFE =cA G2 :|  