Develop a composition by incorporating elements from the given melodic structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:12/8
K:G
"G" G2 B d2 g b2 g d2 B |"D7" cBc agf gfe dBA |"G" G2 B d2 g b2 g d2 B |"D7" cBc agf"G" g3 g2 d :: 
"G" g2 b"C" c'2 b"Am" a2 e e2 g |"D7" f2 a abg f2 d d2 f |"G" g2 b"C" c'2 b"Am" a2 e a2 g | 
"D7" faf def"G" g3 g2 d :| exPaC47119.F61FACe!p!Te | a!p!!p!caceeaae"^OWatrChar.abc"CeTafeEcdg |7 
 bCeD!p! ||  