Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:4/4
K:D
['a/g/f/e/ dc d2', 'dd/d/ dd/d/']  
X:1
L:1/8
M:4/4
K:D
 fg | a/g/f/e/ dc d2 A>d | g2 g/b/a/g/ f2 (ef/g/) | a/g/f/e/ dc d2 B>d | c>A BA/B/ A3 || cd | 
 eeef g2 gf | b>ab>c' b>agf | bf fe/f/ g2 fe | dB d/c/B/A/ B3 f/g/ | a/g/f/e/ dc d2 A>d | 
 g2 g/b/a/g/ f2 e>A | dd/d/ dd/d/ dd/d/ fa | dd/d/ dd/d/ dd/d/ fa | dd/d/ fa dd/d/ fa | 
 b/a/g/f/ ba g2 f>d | e>f g/f/e/d/ cB/c/ A>g | fg/a/ A>g fg/a/ A>g | fg/a/ Ac d3 ||  