Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:2/4
K:D
['F3 G A3 B Afed c2 B2', 'FAd>c dfed c2']  
X:1
L:1/8
M:2/4
K:D
 F3 G | A3 B | Afed | c2 B2 |1 E3 F | G2 A2 | BcBA | G4 :|2 e2 f2 | gec>B | AABc | d4 || FAd>A | 
 FAd>c | dfed | c2 B2 | GBe>d | cde>d | cdcB | A2 A>G | FAd>A | FAd>c | dfed | c2 B>A | e2 f2 | 
 fed>c | AABc | d4 ||  