Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:2/4
K:A
['ag ae ce Ac dB cA', 'A2 cA eA fA eA dB cA']  
X:1
L:1/8
M:2/4
K:A
 ag ae | ce Ac | dB cA | GB Bg | ag ae | ce Ac | dB cA | EA A2 :: cA eA | fA eA | dB cA | GB Bd | 
 ce df | eg ae | dc BA | EA A2 :|  