Create music based on the specified alphabetic description of the musical arrangement and the given pattern.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['BG G2', 'A2 Bd']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 dc | BG G2 A2 GE | DEGB A2 cd | BG G2 A^GAB | c2 BG A2 dc | BG G2 AG G2 | DG G2 A2 dc | 
 BdBG A^GAB | c2 BG A2 Bd || e2 Be gBfB | eBdB A2 Bd | eB B2 gB B2 | c2 BG A2 Bd | eg g2 ea a2 | 
 gedB A2 Bd | eggf gabg | agef g4 |]  