Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:2/4
K:D
['A d2 dd c>B AA Bc dd', 'd3 A df af g>f ed c2']  
X:1
L:1/8
M:2/4
K:D
 A | d2 dd | c>B AA | Bc dd | cB AA | d2 fd | gf ed | c2 Bc | d3 :| A | df af | g>f ed | c2 AA | 
 d2 AA | B2 GG | AG FE | D3 ||  