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
['a AA<eA cAfe AA<ec ae c2 AA<eA', 'Aaga caea']  
X:1
L:1/8
M:4/4
K:Amix
 a | AA<eA cAfe | AA<ec ae c2 | AA<eA ceAc | BdGB gdB<B :| Aaga caea | Aaga eA c2 | Aaga caea | 
 Bgfg dGB<B | Aaga caed | caga eAce | afge fdec | BdGB gdB<B ||  