Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:4/4
K:A
['agab agfe fedc dcBA']  
X:1
L:1/8
M:4/4
K:A
 E2 |"A" EAAG ABcd |"A" eAcA"F#m" eAcA |"Bm" Bffe f2 (fg) |"Bm" afec"E7" BdcB |"A" EAAG"A" ABcd | 
"A" eAcA"F#m" eAcA |"Bm" Bffe"D" fgaf |"E7" ecBc"A" A2 :| e2 |"A" agab agfe |"A" fedc dcBA | 
"Bm" Bffe f2 fg |"B7" afec"E7" Befg |"A" agab agfe |"A" fedc dcBA |"Bm" Bffe"D" fgaf | 
"E7" ecBc"A" A2 :|  