Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:3/4
K:Bb
['(B2 d2)', 'z2 f2 (bf)(dB).d.f (bf)(dB).d.f (ba)(gf).g.a b4 f2', '(gf)(ed).c.B A2 F2 B2 (Ac) F2 A2']  
X:1
L:1/8
M:3/4
K:Bb
 F2 | (B2 d2) .B2 | (c2 e2) .c2 | (ed)(cB).A.c | (B2 d2) .F2 | (B2 d2) .B2 | (c2 e2) .c2 | 
 (ed)(cB).A.c | B2 z2 :: f2 | (bf)(dB).d.f | (bf)(dB).d.f | (ba)(gf).g.a | b4 f2 | (ba)(gf).=e.f | 
 (gf)(_ed).c.B | ABcdec | B2 z2 :: g2 | (gf)(ed).c.B | A2 F2 B2 | (Ac) F2 A2 | (B2 d2) .f2 | 
 (gf)(ed).c.B | A2 F2 B2 | (Ac) F2 A2 | B2 z2 :|  