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
['', 'e f/g/', 'A>c ec', 'e f/g/']  
X:1
L:1/8
M:4/4
K:Amix
 e |: A2 A>B cB c2 | e f/g/ ac BAAG | A2 A>B cB ca |1 A>c ec cBAe :|2 A>c ec cB A2 || 
 e f/g/ a>g fe c2 | e f/g/ ac BAAG | e f/g/ a>g fe (3fga |1 A>c ec cB A2 :|2 A>c ec cBA<a || 
 A2 A>B cB c2 | dc e>c cBAG | A2 A>B cB c<a |1 A>c ec cBA<a :|2 A>c ec cB A2 || e f/g/ a>g feec | 
 e f/g/ ac BAAG | e f/g/ a>g fe (3fga |1 A>c ec cB A2 :|2 A>c ec cBA<a ||  