Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:A
['GB eg aA']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:A
|: E | A2 ED CE Af | eA fA GB BG | A2 EC Dc BA | GB eg aA AE | A/A/A ED CE Af | eA fA GB BG | 
 A/A/A EC DF BA | GB eg aA Ag | a/a/a ea ca eg | ae ce fB Bg | a/a/a ec f/f/f dB | GB eg aA Aa | 
 ga ea ca ea | ca Aa fB Bc | A2 EC DF BA | GB eg aA A :|  