Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:Edor
['BE E2', 'cAeA fAeA']  
X:1
L:1/8
M:4/4
K:Edor
|: GA | B2 AF GEED | BE E2 BE E2 | B2 AF GEEG | FDAD BDAD | B2 AF GEED | BE E2 BE E2 | DEFA dAFA | 
 GBFG E2 :: DEFA d2 cd | e3 f edcd | cAeA fAeA | cAeA fAeA | G2 ED E3 G | FDDF A2 GF | GBec dBAB | 
 GBFG E2 z2 :|  