Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/16
M:2/4
K:Amix
['A2e2 AecA- A2AA d2(BG) A(Aed) efg2', 'd2(BG) A2cA eecA A2(Bc) dBGB A2(cA) Aec(A']  
X:1
L:1/16
M:2/4
K:Amix
 A2e2 AecA- | A2AA d2(BG) | A(Aed) efg2 | (ag)fe d2(BG) :: A2cA eecA | A2(Bc) dBGB | A2(cA) Aec(A | 
 dB)GB d2(BG) :|  