Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/4
M:3/4
K:D
['F F', 'F/G/d/e/f/d/ e g/e/ c']  
X:1
L:1/4
M:3/4
K:D
 F F F | G G G | E E E | F/G/d/e/f/d/ | F F F | G G G | E E E | F3 :: F/G/d/e/f/d/ | e g/e/ c | 
 E F G | C3 | F/G/d/e/f/d/ | e g/e/ c | C D E | F3 :|  