Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/4
M:3/4
K:Bb
['vF3 G (.A3/2 .G/) (F3 B3) d3', '(uB/d/f/b/) (.a3/2 .a/) a z', 'B3- B', 'B) b3', 'f) A3- A3 A3 (B2 =B)', '(c/A/F/A/c/e/) (d B) uB']  
X:1
L:1/4
M:3/4
K:Bb
|:"^1." vF3 | G (.A3/2 .G/) | (F3 | B3) | d3 | f (.e3/2 .d/) | (c3 | G3) | G3 | (_A2 G) | (c2 e) | 
 (a2 g) | (f =e) f | (g2 e) | d3- | d3 | vF3 | G (.A3/2 .G/) | (F3 | B3) | d3 | f (.e3/2 .d/) | 
 (c3 | G3) | G3 | (_A2 G) | (c2 e) | (a2 g) | (f2 e) | A (.d3/2 .c/) | B3- | B :: (uB/d/f/b/) | 
 (.a3/2 .a/) a | z (uA/c/f/g/) | (g3/2 .f/) f | z (uF/B/d/g/) | (.f3/2 .e/) e | z (uF/B/d/g/) | 
 (.f3/2 .d/) B | z (uB/d/f/b/) | (.a3/2 .a/) a | z (uA/c/f/a/) | (.g3/2 .f/) f | z v=e ud | 
 (3(c/d/c/) =B c | (g2 =e) |1 f3- | f :|2 (f g f) | e c A |]"^2." vd3 | c3 | B3- | B D E | F G A | 
 (B e3/2) vd/ | (c3 | G3) | e3 | d3 | c3- | c c d | e =e f | (g a3/2) vb/ | (d'3 | b3) | d3 | c3 | 
 B3- | B D E | F G A | (B c3/2) vd/ | (a3 | g3) | g3 | (A2 g) | f3 | (B2 d) | (d2 c) | (G2 A) | 
 B3- | B z z || (vf e) vc/ | (A g3/2) uf/ | (f d B) | b3 | B c d | f e d | (c B3/2) vc/ | d3 | 
 (f e3/2) vc/ | (A g3/2) uf/ | (f d B) | b3 | A/c/ f a | (g b3/2) v=e/ |1 f3- | f z z :|2 
 (f/=e/ _e c) | A (B c)"_D.C." |]"^3." vB3 | (d2 e) | f3- | f .g .a | (b2 a) | (g2 f) | A3- | A3 | 
 A3 | (B2 =B) | d3 | c3 | (3(F/G/F/ =E F) | _e2 c | d3- | d3 | B3 | (d2 e) | f3- | f g a | (b2 a) | 
 (g2 f) | A3- | A3 | A3 | (B2 =B) | c3 | (a2 g) | f F G | A (d3/2 c/) | B3- | B z z |: 
 (vc/A/F/A/c/e/) | (d B) uB | (b/g/=e/c/=B/c/) | (a f) uf | (c/A/F/A/c/e/) | (d B) uB | 
 (c/=B/c/d/=e/g/) | (f =e _e) | (c/A/F/A/c/e/) | (d B) uB | (b/g/=e/c/=B/c/) | (a f) uf | 
 (c/A/F/A/c/e/) | (d B) uB | (c/d/e/f/g/a/) | b z"^Fine." z :|  