Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:3/2
K:E
['B3 B']  
X:1
L:1/8
M:3/2
K:E
|: B3 B AG E2 [B,E]4 |[M:4/4] B3 B ABBA | Bcef fefg | B3 B AGAB | AG E2 E3 B, | CEEG FEFG | 
 AGFE FG E2 :|  