Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:2/4
K:Amix
['(ed) c2', 'fedc ceac B4']  
X:1
L:1/8
M:2/4
K:Amix
 (ed) |"A" c2 A2 A3 B |"A" cAce fedc |"Bm" d2 B2 B3 c |"E7" defa f2 (ed) |"A" c2 A2 A3 B | 
"A" cAce fedc |"D" d2 fd"A" c2 (ec) |"E7" B4"A" A2 :| (cd) |"A" e2 a2 a2 (gf) |"A" e2 c2 c2 (ec) | 
"E7" d2 B2 B2 (cd) |"A" c2 A2 A2 (cd) |"A" e2 a2 a2 (gf) |"A" e2 c2 c2 (ec) | 
"D" d2 (fd)"A" c2 (ec) |"E7" B4"A" A2 :| (ed) |"A" c2 e2 a3 e |"A" ceae faec |"D" d2 f2 a3 f | 
 dfad fafd |"A" c2 e2 a3 e |"A" ceae faec |"D" dfad"A" ceac |"E7" B4"A" A2 :| (ed) | 
"A" c2 e2 e3 d |"A" ceea fedc |"D" d2 f2 f3 e |"D" dffa gfed |"A" c2 e2 e3 d |"A" ceea fedc | 
"D" dfad"A" ceac |"E7" B4 A2 :|  