Create music based on the specified alphabetic description of the musical arrangement and the given pattern.
X:1
L:1/8
M:2/2
K:Bb
['(udc) B>FD>F B>df>d e>cA>c B>df>d b>ag>f e>dc>B', 'B2 (udc) B>df>d b>fd>B f>ba>b f>dB>F D>B,F>D']  
X:1
L:1/8
M:2/2
K:Bb
 (udc) | B>FD>F B>df>d | e>cA>c B>df>d | b>ag>f e>dc>B | (3.c.d.c (3.B.A.G (3.F.G.F (3.E.D.C | 
 B,>BA>B d>BA>B | C>c=B>c e>cA>c | B>ba>b g>ec>A | B2 b2 B2 :: (udc) | B>df>d b>fd>B | 
 f>ba>b f>dB>F | D>B,F>D B>Fd>B | (3.c.d.c (3.B.A.G (3.F.G.F (3.E.D.C | B,>BA>B d>BA>B | 
 C>c=B>c e>cA>c | B>ba>b g>ec>A | B2 b2 B2 :|  