Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:Emin
['e2 dc BAGF GAFG E2 B2 e2', 'BB[Bf]B B[Bf]BB [cg]cc[cg] cc[cg]c', 'aabb egbe bgeg ^dfbf bfdf =dfab afdB', '^d2 e4 B2 G2 E4']  
X:1
L:1/8
M:4/4
K:Emin
 e2 dc BAGF | GAFG E2 B2 | e2 ef gfef | gafg e4 | a2 gf edcB | cdBc A2 E2 | A2 AB cBAB | cdBc A4 || 
 BB[Bf]B B[Bf]BB | [cg]cc[cg] cc[cg]c | BB[Bf]B B[Bf]BB | [cg]cc[cg] cc[cg]c | [Bf]BBB [cg]ccc | 
 [Bf]BBB [cg]ccc | [Bf]B^cc ^ddee | ffgg aabb |: egbe bgeg | ^dfbf bfdf | =dfab afdB | ^ceae aecA | 
 =cege cege | Bege Bege | _Bege Bege | =Bege fe^de ::"^Coda" e2 dc BAGF G2 e2 F2 ^d2 | e4 B2 G2 | 
 E4 e2 :|  