Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
Q:1/8=80
M:6/8
K:none
['e2 c{gcd}c3/2{g}B/{d}c |{Gdc} d3/2{g}e/f{gef} e2 d', 'd2 f{gcd} c2 e |{gef} e>dc{gBd} B2']  
X:1
L:1/8
Q:1/8=80
M:6/8
K:none
|: a |{ef} e2 c{gcd}c3/2{g}B/{d}c |{Gdc} d3/2{g}e/f{gef} e2 d |{g} c2{GdG} e{g}A3/2{d}c/e | 
{gef} e>dc{gBd} B2 a{ef} e2 c{gcd}c3/2{g}B/{d}c |{Gdc} d3/2{g}e/f{gef} e2 d | 
{g} c2{GdG} e{gef}e>dc |{gBd} B3{G} A2 :: f |{gef} e3/2{g}c/e{g}f<ag | 
{fg} f3/2{g}d/f{gef}e3/2{g}c/{d}A |{g} c2{GdG} c{g}c<ec | 
{gde} d>cd{gBd} B2 f{gef}e3/2{g}c/e{g}f<ag |{fg} f3/2{g}d/f{gef}e3/2{g}c/{d}A | 
{g} c2{GdG} e{gef}e>dc |{gBd} B3{G} A2 :: a |{GdG} c3{Gdc} d2 f |{g} c<ec{gcd}c3/2{g}B/{d}A | 
{Gdc} d2 f{gcd} c2 e |{gef} e>dc{gBd} B2 a{GdG} c3{Gdc} d2 f |{g} c<ec{gcd}c3/2{g}B/{d}A | 
{g} c2{GdG} e{gef}e>dc |{gBd} B3{G} A2 :: e |{ag} a2 e{gfg} f2 a | e2 f{gef}e3/2{g}c/{d}A | 
{Gdc} d2 f{gcd} c2 e |{gef} e>dc{gBd} B2 e{ag} a2 e{gfg} f2 a | e2 f{gef}e3/2{g}c/{d}A | 
{g} c2{GdG} e{gef}e>dc |{gBd} B3{G} A2 :|  