Integrate the motif and the alphabetically denoted musical sequence to compose a novel music piece.
X:1
L:1/8
M:2/4
K:D
['ef/e/ ce Ae ce f/g/a/f/ ec', 'ce fa/f/ ec']  
X:1
L:1/8
M:2/4
K:D
 ef/e/ ce | Ae ce | f/g/a/f/ ec | BA F2 | ef/e/ ce | Ae ce | f/g/a/f/ ec | BA A2 :: ce fa/f/ | 
 ec BA/B/ | ce f/g/a/f/ | ec B2 | ce fa/f/ | ec BA | ef/e/ cB | BA B2 :|  