Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
Q:1/4=70
M:4/4
K:A
['|{ag} a2{g} a2{GdG} ae{gcd}']  
X:1
L:1/8
Q:1/4=70
M:4/4
K:A
 e |{g}"A" A2{GdGe} A3/2 B/{gcd}c{e} A{gcd} ce |{ag} a2{g} a2{GdG} ae{gcd} c{e} A | 
{Gdc}"D" d2{g} f3/2 d/{gcd}"A" c e{gcd}c{e} A |{fBd}"E7" B2{gef} e2{A} e3/2 f/{g}e/d/{g} c/{d}B/ | 
"A" A2{GdGe} A3/2 B/{gcd}c{e} A{gcd} ce |{ag} a2{g} a2{GdG} ae{gcd} c{e} A | 
{Gdc}"D" d2{g} f3/2 d/{gcd}"A" c e{gcd}c{e} A |{fBd}"E7" B2{g} A3/2 B/{g}"A" A2{g} ce || 
{ag}"A" a2{g} a2{BdB} ae{gcd} c{e} A |{ag} a2{g} a2{GdG} ae{gcd} ce | 
{ag}"D" a2{g} a3/2 g/{fg} f2 a3/2 g/ |{fg}"E7" f a{f}g f{gef}e d{gcd}c B | 
{g}"A" A2{GdGe} A3/2 B/{gcd}c{e} A{gcd} ce |{ag} a2{g} a2{GdG} ae{gcd} c{e} A | 
{Gdc}"D" d2{g} f3/2 d/{gcd}"A" c e{gcd}c{e} A |{gBd}"E7" B2{g} A3/2 B/{G}"A" A3 |]  