Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:2/4
K:A
['ec BA/B/ cA F2 EF AB', 'ce a2 ce']  
X:1
L:1/8
M:2/4
K:A
 f | ec BA/B/ | cA F2 | EF AB | cB cf | ec BA/B/ | cA F2 | EF AB | cA A2 :| ce a2 | ce f2 | ce fa | 
 ec BA | ce a2 | ce fa | ec BA/B/ | cA A2 :|  