Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:4/4
K:C
['f>ed dBA', 'd2 f/e/ dfa dfa b>af e2 d/e/']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] f e!p! abac fe cec[Q:1/8=100].d/e/ | f>ed dBA | A>Bd e2 d/e/ | f>ed dBA | A>Bc d2 :| 
 f/e/ | dfa dfa | b>af e2 d/e/ | fed dBA | ABc d2 :|  