Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:4/4
K:Amin
['A2 A2', 'e2 g2 eded A2 A2']  
X:1
L:1/8
M:4/4
K:Amin
"A" |:"Am" Ac"G"Bc"G" de"Am" A2 |"Am" cB"G"AG"Am" A2 A2 :|"B" |:"Am" Ac"G"Bc"G" de"Am" e2 | 
"C" g2 e2"Am" eded |"Am" c2"G" Bc"G" de"Am" A2 |"Am" cB"G"AG"Am" A2 A2 :|  