Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/8=80
M:2/2
K:none
['G>A{g}Bd |{gf} gf{gef}ed']  
X:1
L:1/8
Q:1/8=80
M:2/2
K:none
|:{g} G>A{g}Bd |{gf} gf{gef}ed |{g} ef{g}AB |{g} c2{gcd} BA ||{g} G>A{g}Bd |{gf} gf{gef}ed | 
{g} eaef |{gf} g2{a} g2 :: |{ag} aeae |{ag} ae{A}e>f |{gf} gdgd |{gf} gd{g}d>e ||{ag} aeae | 
{ag} ae{A}e>f |{ag} gedB |{g} A2{GAG} A2 :|  