Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:2/4
K:Dmix
['D/E/F/G/ Ad cc BG', 'd/e/f Be/f/ gd/e/ fd']  
X:1
L:1/8
M:2/4
K:Dmix
|: D/E/F/G/ Ad | cc BG | c2 BG | cG A2 | D/E/F/G/ Ad | cc BG | cG A/B/A/G/ | FD D2 :: d/e/f Be/f/ | 
 gd/e/ fd | df Be/f/ | ge f2 | d/e/f Be/f/ | gd/e/ fd | dB A/B/A/G/ | FD D2 :|  