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:C
['gefd ecBc dBcA', '', 'A2 (Bc) .d.B.G.G G2 (GF) EGAB cBcd']  
X:1
L:1/8
M:4/4
K:C
 .G | .G.c.c.c cBAG | ABcA G2 (ef) | gefd ecBc | dBcA G2 ef | gefd ecBc | dBcA G3 F | EGAB Bcd | 
 eccB c2 :| (cd) |: .e.c.A.A A2 (Bc) | .d.B.G.G G2 (GF) | EGAB cBcd | eccc c2 cd | 
 e.c.A.A A2 (Bc) | .d.B.G.G G2 (GF) | EGAB cBcd | .e.c.c.B c2 :|  