Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/2
K:A
['BABc A{A}A']  
X:1
L:1/8
M:2/2
K:A
|:"A" A3 c"^(E7)" BABc |"A" AFEF"E7" B{B}B B2 |"A" A3 c"Bm" BABc |"E7" AFEF"A" A{A}A A2 :| 
"A" e{f}gac"^(E7)" BABc |"A" e{f}gae"D" f{f}f f2 |"A" e{f}gac"E7" BABc |"E7" AFEF"A" A{A}A A2 || 
"A" e{f}gac"^(E7)" BABc |"A" e{f}gae"D" f{f}f f2 |"A" efec"Bm" BABc |"E7" AFEF"A" A{A}A A2 |]  