Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
Q:1/8=100
M:4/4
K:D
['dB AF A/B/A/F/ A(F/A/)', 'd (d/e/) fe fg ab/a/ gf eb']  
X:1
L:1/8
Q:1/8=100
M:4/4
K:D
 (f/e/) | dB AF | A/B/A/F/ A(F/A/) | dd f/e/d/e/ | fe e/g/f/e/ | dB AF | A/B/A/F/ A(F/A/) | 
 dc/d/ ed/e/ | fd d :: (d/e/) | fe fg ab/a/ gf | eb ba | be e(f/e/) | dB AF | A/B/A/F/ A(F/A/) | 
 dc/d/ ed/e/ | fd d :|  