Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:D
!p! (AB |"D" A) z (F2 B) z (F2 | A6) (AB) | A z (F2 d) z (A2 |"A7" c6)!f! (EF) | 
"A7" G>FG>A G2 (EF) | G>FG>A G2 E>F | G>FG>A c>BA>G |"D" F6 (AB) |"D" A z (F2 B) z (F2 | A6) (AB) | 
 A z (F2 d) z (A2 |"G" B6) [Ac] | d>BG>B d2 G>B |"D" A>FD>F A2 (DF) |"A7" E>E E>G B>G B,>C | 
"D" D2 [dF]2"^fine" [dF]2 |:!ff! (Bc) |"D" d4"A7" c4 |"Em" B6 (3(Bcd) | e4"Bm" d4 | 
"A7" c6 (3(cde) |"D" f4"A7" e4 |"D" d>ed>c"Em" B2 (3(Bcd) |"A7" c>E ^D>E G>FG>A |"^D.C." B6 :| 
[K:G]"^Trio." D2 |"G" B4- B>cB>G |"D" D4- D>GA>G | F>GA>B c>AF>D |"Em" (E2 D) z (E2 D) z | 
"G" B4- B>cB>G |"Em" E4- E>GF>E |"D" D>EF>G B>AE>F |"G" G2 B2"_D.C." G2 :|  