Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:Amin
['E/E/E E2', "B<AA e g>ed>B g>abg a/a/a ab c'>aba"]  
X:1
L:1/8
M:4/4
K:Amin
 B | E/E/E E2 G>ABG | A/A/A A>B c>AB<e | E/E/E E2 G>AB>d | e>g e/d/c/B B<AA :: e | g>ed>B g>abg | 
 a/a/a ab c'>aba | g>ed>B g>aba | g>edg B<AA :|  