Construct a musical piece that follows the designated lettered structure and integrates the provided motif throughout.
X:1
L:1/8
M:4/4
K:Cdor
['F3 G Bc d2- dbgf g/b/g/f/ df/d/', 'f2 b/g/f/d/ cb/g/ f/d/c z B- B/c/d/c/']  
X:1
L:1/8
M:4/4
K:Cdor
 F3 G Bc d2- | dbgf g/b/g/f/ df/d/ | c3 d fg b2- | bdcb g2 gf/d/ | F3 G Bc d2- | 
 dbgf g/b/g/f/ df/d/ | c3 d fg b2- | bdcb f/g/b/g/ f2 || b/g/f/d/ cb/g/ f/d/c z B- | 
 B/c/d/c/ d>c BG G2 | b/g/f/d/ eb/g/ f/d/e z b- | bc dcb f/g/b/g/ f2 | b/g/f/d/ cb/g/ f/d/c z B- | 
 B/c/d/c/ d>c BG G2 | b/g/f/d/ eb/g/ f/d/e z b- | bc dcb g2 gf/d/ ||  