Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=92
M:6/8
K:Amin
['c2 (B) A3- A3-']  
X:1
L:1/8
Q:1/8=92
M:6/8
K:Amin
|: AcB AcB | A2 ^G- G3 | Bdd Bdd |1 c2 (B) A3- | A3- A z z :|2 c2 (B) A3- | A3- A2 z ||  