Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:6/8
K:A
['e aga efg aed cBA']  
X:1
L:1/8
M:6/8
K:A
 e |"A" aga efg | aed cBA | aga cde |"B" fdB B2"E7" e |"A" aga efg | aed cBA |"D" dcd"E7" efg | 
"A" aAA A2 :: B |"A" Ace Ace |"D" fdd d3 |"Bm" ^def Bdf |"E7" gee e2 g |"A" agf edc |"D" fed cBA | 
"E7" Edc BAB |"A" cAA A2 :|  