Create music based on the specified alphabetic description of the musical arrangement and the given pattern.
X:1
L:1/16
M:3/8
K:Bb
['f4 b2 b2a2a2', 'f4 e2 d2dcd2']  
X:1
L:1/16
M:3/8
K:Bb
 f2 | f4 b2 | b2a2a2 | a2abc'b | b2d'2f2 | f4 b2 | b2a2a2 | a2abc'b | b4 :: f2 | f4 e2 | d2dcd2 | 
 e2ede2 | (fd'c'bag) | f4 e2 | d2dcd2 | (fe)(de)(cA) | B4 :|  