Create music based on the specified alphabetic description of the musical arrangement and the given pattern.
X:1
L:1/4
M:4/4
K:D
['a a', '(g f']  
X:1
L:1/4
M:4/4
K:D
|: A/>F/A/>f/ e/>d/e/>f/ |1 a a a z :|2[M:3/4] A3/2 z (f/4g/4) || (a ^g a) | (b a f) | (g f g) | 
 A z (e/f/) | (g f g) | (c' b a) | (f e f) | A2 (F/G/) | A3/2 (F/A/d/) | (f e d) | 
 B3/2 (_B/=B/d/) | (g f e) | A/>B/c/>d/e/>f/ | (g f g) | (b a f) | A3/2 (F/A/d/) | (f e e) | 
 B3/2 (_B/=B/d/) | (g f e) | A/>B/c/>d/e/>f/ | (g f g) | (b a f) | (g B c) | d2 z |]  