Create music based on the specified alphabetic description of the musical arrangement and the given pattern.
X:1
L:1/8
M:4/4
K:Amix
['', 'A2 AG', 'df eA AB BA GB']  
X:1
L:1/8
M:4/4
K:Amix
 AG |: EA AB cB cd | ef ed Bc df | eA AB BA GB | AG EF GE DG | EA AB cB cd | ef ed Bc df | 
 eA AB BA GB |1 A2 AG A2 AG :|2 A2 AG A4 |: (3aaa ag ef ec | (3ddd dc Bc df | eA AB BA GB | 
 AG EF GE DG | EA AB cB cd | ef ed Bc df | eA AB BA GB | A2 AG A4 :|  