Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:4/4
K:A
['ecdB cAFA E2 (AB) cAaf', 'A2 (Ad) f2 fg a2 af efec']  
X:1
L:1/8
M:4/4
K:A
 uE2 | A2 ce a2 gf | ecdB cAFA | E2 (AB) cAaf | ecAc (BA)(FB) | A2 ce a2 cf | ecdB cAFA | 
 E2 (AB) cAaf | ecBc A2 :: (Ad) | f2 fg a2 af | efec (dc)(BA) | (Ac)(ec) (Ad)(fd) | efec dcBA | 
 A,CEA CEAc | EAce Acea | ebaf edcB | c2 A2 A2 :|  