Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:4/4
K:A
['B>c A>B c<e', 'a2 f>e']  
X:1
L:1/8
M:4/4
K:A
|: B>c | A>B c<e e2 c>e | f>a f<e e2 B>c | A>B c<e f<e c<A | B6 :: a2 | f>e f<a a2 a2 | 
 f>e f<c c2 a>f | e>f a>B c<e c<A | B6 :|  