Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/8=80
M:4/4
K:none
['A>B |{GdG} c3 e{Gdc}dc{gBd}B{G}A |{gcd} c2{e} A2{GAG}']  
X:1
L:1/8
Q:1/8=80
M:4/4
K:none
{g} A>B |{GdG} c3 e{Gdc}dc{gBd}B{G}A |{gcd} c2{e} A2{GAG} A2{gcd} ce |{ag} a4{GdG} ag{fg}fe | 
{gfg} f4{g} e2{g} f>g |{ag} a2{GdG} a2{g} a3 c |{Gdc} d2 f2{gef} e3{G} e |{gfg} f2 e2{ag} a2 c2 | 
{gBd} B4{G} A2 :|  