Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/16
M:2/4
K:A
['A,CEC .A,(AcA) EGBG .A(cec)', 'ceae cefe']  
X:1
L:1/16
M:2/4
K:A
 A,CEC .A,(AcA) | EGBG .A(cec) | dfdB cecA | (3BcB (3AGF (3EFE (3DCB,2 | A,CEC .A,(AcA) | 
 EGBG .A(cec) | defg agaf | (ed).c.B A4 :: ceae cefe | ceae dcBA | agae fgae | 
 (3gba (3gfe (3efe (3dcB2 | ceae cefe | dcBA GABc | defg agaf | (ed).c.B A4 :|  