Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/4
Q:1/8=120
M:3/4
K:A
['A A', 'f f']  
X:1
L:1/4
Q:1/8=120
M:3/4
K:A
 A/F/ | E F A | A A A | B d/c/B/A/ | F2 E | E F A | c e d | c3/2 d/ B | A2 :| z | =g g g | f f f | 
 e f a/b/ | a e c | =g g g | f f a/f/ | e d/c/B/A/ | A F E | d d d/e/ | c c c/d/ | B/c/d/ c/B/A/ | 
 F2 E | E F A | c e d | c3/2 d/ B | A3 |]  