Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/4
M:3/4
K:G
['d g', 'd g']  
X:1
L:1/4
M:3/4
K:G
 d | g B c | d g B/d/ | c B A | G2 d | e d g | e d g | B A G | d2 A | d d d | d ^c A | f f f | 
 f e f | g3/2 f/ e | a g f | e A ^c | d2 A | d d/e/f/e/ | d2 A | f f/g/a/g/ | f2 f | g3/2 f/ e | 
 a g/f/e/d/ | e A ^c | d z |] d | g B c | d3/2 e/ =f | e g/=f/e/d/ | c2 e/e/ | d f g | d f g | 
 e/d/ c B |{B} A2 d | g B c | d g B/d/ | c B A | G2 d/d/ | e d g | e d g | d c/B/A/G/ | d2 d/B/ | 
 G G/A/B/A/ | G2 A | B B/c/d/c/ | B2 d/d/ | g3/2 f/ e |{e} d c/B/A/G/ | A g f | g z |]  