Design a musical arrangement using the alphabetical representation of the given sequence and the supplied motif.
X:1
L:1/16
M:2/4
K:A
['.E2(CE) Acec', 'agab aece']  
X:1
L:1/16
M:2/4
K:A
 uE2 | .E2(CE) Acec | fcec BcAF | .E2(FG) .A.c(3(efg) | afec BcAF | .E2(CE) Acec | dcBd cAFA | 
 .E2(FG) .A.c(3(efg) | afec A2 :: (3(efg) | agab aece | ecac eaca | agab aece | gbeg befg | 
 agae faec | dBcA BAFA | .E2(FG) .A.c(3(efg) | afec A2 :|  