Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/8=80
M:2/2
K:none
['ed/c/{a}gf/e/ |{ag} af{ag}ad']  
X:1
L:1/8
Q:1/8=80
M:2/2
K:none
{gfg} fA{gfg} f2 |{gf} gf{gef} e2 |{Gdc} d>e{gfg}fd |{g} A2{GAG} A2 |{gf} gA{gf} g2 | 
{fg} fA{gfg} f2 |{gef} e>f{gef}ed |{gcd} ce{ag} a2{gfg} fA{gfg} f2 |{gf} gf{gef} e2 | 
{Gdc} d>e{gfg}fd |{g} A2{GAG} A2 |{gBd} B{Gdc}d{gf} g2 |{ag} af{Gdc}d>e |{gfg} fA{gef}eA | 
{Gdc} d2{gdG} d2 |]{GAG} A2{gcd} c2 |{gef} ed{gBd} B2 |{GAG} A2{gcd} c2 |{ag} af{gef} e2 | 
{Gdc} df{gef}ed |{gcd} ce{ag} a2 |{gBd} Be{gfg}fB |{gef} e2{A} e2{GAG} A2{gcd} c2 | 
{gef} ed{gBd} B2 |{GAG} A2{gcd} c2 |{ag} af{gef} e2 |{Gdc} df{gef}ed |{gcd} ce{ag} a2 | 
{gBd} B{Gdc}d{gcd}cB |{gBd} BA{GAG} A2 |]{gef} ed/c/{a}gf/e/ |{ag} af{ag}ad |{gcd} ca{gBd}Bg | 
 Af{g}d/c/d/e/ |{gef} ed/c/{a}gf/e/ |{ag} af{ag}ad |{gef} ed{gcd}cB | 
{g} A2{gef} e2{gef} ed/c/{a}gf/e/ |{ag} af{ag}ad |{gcd} ca{gBd}Bg | Af{g}d/c/d/e/ | 
{gef} ed/c/{a}gf/e/ |{ag} af{ag}ad |{gef} ed{gcd}cB |{g} A2{ag} a |]  