Create music based on the specified alphabetic description of the musical arrangement and the given pattern.
X:1
L:1/8
M:3/8
K:G
['G>AG GBd']  
X:1
L:1/8
M:3/8
K:G
 G>AG | GBd | AFD | G>AG | GBd | A2 z | c>dc | ceg | dBG | d>BG | DEF | G2 z |]  