Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
Q:3/8=88
M:6/8
K:none
['|{afg} fed{gef} ec{G}A |{Gdc} d3{gdc}', 'fed{gef} ec{G}A |{Gdc} d3{gdc}']  
X:1
L:1/8
Q:3/8=88
M:6/8
K:none
 A |{Gdc} ded{gdc} def | af{g}d{gBd} B2 g |{afg} fed{gde} dcd |{gef} ec{G}A{gAGAG} ABc | 
{Gdc} ded{gdc} def | af{g}d{gBd} B2{gf} g |{afg} fed{gef} ec{G}A |{Gdc} d3{gdc} d2 :|{gf} g | 
 af{g}d{gdc} def |{gf} ged{g} c2{GdG} e |{g} fed{gdc} def |{gef} ec{G}A{gAGAG} A2 |1{gf} g | 
 af{g}d{gdc} def |{gf} ged{g} c2{GdG} e |{afg} fed{gef} ec{G}A |{Gdc} d3{gdc} d2 :|2{d} c | 
{gde} dcB{g} c2{GdG} e |{gfg} fed{g} efg |{afg} fed{gef} ec{G}A |{Gdc} d3{gdc} c2 || A | 
{g} d<Af{g} faf |{gef} edc{Gdc} d2 e |{gfg} f2 d{gdc} dfd |{gef} ec{G}A{g} ABc |{g} d<Af{g} faf | 
{gef} edc{Gdc} d2 e |{gfg} fed{gef} ec{G}A |{Gdc} d3{gdc} d2 :|{gf} g | af{g}d{ag} ag{a}f | 
{g} efg{afg} f2 e |{Gdc} ded{g} Bcd |{gef} ec{G}A{gAGAG} A2 |1{gf} g | af{g}d{ag} ag{a}f | 
{g} efg{afg} f2 e |{afg} fed{gef} ec{G}A |{Gdc} d3{gdc} d2 :|2{d} c |{g} B/{d}G{d}B{gde} dcB | 
{g} c/{d}A{d}c{g} efg |{afg} fed{gef} ec{G}A |{Gdc} d3{gdc} d2 :|  