Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:4/4
K:Amix
['a2 ae', 'cdeg fddf', 'a2 efae', 'BcdB cdec def^g afec B2']  
X:1
L:1/8
M:4/4
K:Amix
|: ceef a2 ae | fgfe a2 ae | ceef a2 ae | faec B2 A2 :: cdeg fddf | ecce fBBf | cdeg fddf | 
 e/^g/a ec B2 A2 ::{^g} a2 a2 ef a2 | efae faef |{^g} a2 a2 efae | faec B2 A2 :: cdec defd | 
 cdec BcdB | cdec def^g | afec B2 A2 :|  