Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:4/4
K:D
['A>d f4 a>fd>f d>ed>c B2', 'd>ed>c B2', 'd>AB>c d>ed>c', 'd>AB>c d>ed>c B2 g2 f<af>d A>ce>c d4']  
X:1
L:1/8
M:4/4
K:D
 A>d | f4 a>fd>f | d>ed>c B2 d>c | B<GB>c d>ef<a | e4 e2 A>d | f4 a>fd>f | d>ed>c B2 g2 | 
 f<af>d A>ce>c | d4 d2 :: f>g | a>A A/A/A f>A A/A/A | d>ed>c B2 d>c | B<GB>c d>ef<a |1 e4 e2 f>g | 
 a>A A/A/A f>A A/A/A | d>ed>c B2 g2 | f<af>d A>ce>c | d4 d2 :|2 e4 e2 A>d | f4 a>fd>f | 
 d>ed>c B2 g2 | f<af>d A>ce>c | d4 d2 || A>d | f>Aa>f d>AB>c | d>ed>c B2 d>c | B<GB>c d>ef<a |1 
 e4 e2 A>d | f>Aa>f d>AB>c | d>ed>c B2 g2 | f<af>d A>ce>c | d4 d2 :|2 e4 e2 f>g | 
 a>A A/A/A f>A A/A/A | d>ed>c B2 g2 | f<af>d A>ce>c | d4 d2 || f>g | a>Af>e d>AB>c | 
 d>ed>c B<AB>c | d>cd>e f>df<a |1 e4 e2 f>g | a>Af>e d>AB>c | d>ed>c B2 g2 | f<af>d A>ce>c | 
 d4 d2 :|2 e4 e2 A>d | f>Aa>f d>AB>c | d>ed>c B2 g2 | f<af>d A>ce>c | d4 d2 ||  