Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:4/4
K:D
['', 'B ADFA defe dAA=c BGBd ADFA defg', 'ecAc dBGB Adfg |1 abag faeg :|2']  
X:1
L:1/8
M:4/4
K:D
 B |: ADFA defe | dAA=c BGBd | ADFA defg |1 abag fdBd :|2 afeg fede |: faaf gfeg | fddf ecAc | 
 dBGB Adfg |1 abag faeg :|2 afeg fedB ||  