Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:G
['e2 dc', 'e2 dc']  
X:1
L:1/8
M:4/4
K:G
|: E3 A ABcd | eAAA e2 dc | dGGG e2 dc | (3Bcd cB BAGF | EEEA ABcd | eggg e2 dc | d3 B GABc |1 
 B2 AG ADGF :|2 B2 AG A3 B |: Aaab a2 ag | eAAA e2 dc | dGGG e2 dc | (3Bcd cB BAGF | EEEA ABcd | 
 eggg e2 dc | d3 B GABc | B2 AG A3 B :|  