Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:4/4
K:D
['FE/D/ CD', 'cd e2']  
X:1
L:1/8
M:4/4
K:D
 A6 FE/D/ | CD G4 GF | FE/D/ CD B2 A2 | c2 d2{A} G2 eA | f4 a2 c2 | d6 G2 | FE/D/ CD B2 A2 |1 
 A6 FG :|2 A6 cd || e2 c2 (3cBA cd | e2 f>A G2 cd | e2 f2 g(3a/g/f/ ga | e4 ed cd | 
 e2 c2 (3cBA cd | e2 f>A G3 A | FE/D/ CD B2 A>F | E8 ||  