Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:3/2
K:G
['c2 A/B/c/d/ ec', 'A/B/c/d/ ecac', 'a2 e/f/g/a/ ae']  
X:1
L:1/8
M:3/2
K:G
|: c2 A/B/c/d/ ec | A/B/c/d/ ecea | c2 A/B/c/d/ ec | BffB df :: A/B/c/d/ ecac | A/B/c/d/ ecea | 
 A/B/c/d/ ecac | BffB df :: a2 e/f/g/a/ ae | ceeA ce | a2 e/f/g/a/ ae | BffB df :|  