Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:A
['EFA cea f2 a', 'EFA c z B- B2 c BAF']  
X:1
L:1/8
M:6/8
K:A
|: EFA cea | f2 a ecA | EFA Bce | Bcc BAF | EFA cea | f2 a ece | afe fec | ecB A2 F :: EFA c z B- | 
 B2 c BAF | EFA B2 A | Bce BAF | EFA c z B- | B2 c BAF | afe fec | ecB A2 F :|  