Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:6/8
K:D
['f edB', 'a2 f']  
X:1
L:1/8
M:6/8
K:D
 f | edB BAF | A2 B A2 f | edB BAB | def a2 f | edB BAF | A2 B A2 B | def a2 f | edB B2 :: A | 
 def a2 f | e3 edB | def a2 f | efa b2 a | fbf a2 f | edB BAB | def a2 f | edB B2 :|  