Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:D
['A>d B>d d>)cd>e (f<a) a>^g', '(b/a/).g/.f/ (a/g/).f/.e/']  
X:1
L:1/8
M:4/4
K:D
"^4" ud' |"^1" (a<"^3"f)"^3" (f>"^2"e)"^1" (d>"^2".e)"^1"(d>"^0".A) | 
"^SEGUE""^1" B>d A>d B>d A>"^4"d' |"^1" (a<"^3"f)"^1" Tf>(e"^4"{e} d>)cd>e | (f<a) a>^g a3"^4" d' | 
"^1" (a<"^3"f)"^3" f>"^2"e"^1" d>"^2".e"^1" d>"^0".A | B>d"^4" A>d B>d A>"^4"d' | 
"^1" (a<"^3"f)"^1" Tf>(e"^4"{e} d>)cd>e | (f<a) a>^g a3 |] u=c' | (vb<g) (g>.e) (f>.g)uavf | 
 (vg<"^0"e)"^4" (e>.c) (d>"^4".e)"^SEGUE"fA | B>dA"^4"d'"^1" B>dAb | 
 (b/a/).g/.f/ (a/g/).f/.e/ d3 =c' | (vb<g) g>e (f>g)af | (ug<e) e>c (d>.e)fA | 
 (B>.d)A"^4"d' (uB>.d)Ab | (b/a/).g/.f/ (a/g/).f/.e/ d3 |]  