Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
Q:1/4=100
M:2/4
K:A
['ef/g/ af ec a2', 'f2 eAcA eA c2 eAcA e2 a2']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:A
"A" ef/g/ af | ec a2 | ef/g/ ac | e2 a2 | ef/g/ af | ec a2 | dB=gB | d2 f2 :: eAcA | eA c2 | eAcA | 
 e2 a2 | eAcA | eAcA | dB=gB | d2 f2 :|  