Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:Dmix
['afge d3 B ADFD EFGB A3 B', 'f2 df']  
X:1
L:1/8
M:4/4
K:Dmix
 afge d3 B | ADFD EFGB | A3 B =cBcd | eA (3B^cd efge | afge d3 B | ADFD EFGB | A3 B =cBcd | 
 eA (3B^cd efge || f2 df afdf | f2 df efge | f2 df afdf | eA (3B^cd efge | f2 df afdf | 
 f2 df efge | fa a2 afdf | eA (3B^cd efge ||  