Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/4
M:2/4
K:D
['F A B c d/c/d/e/ f a', 'g f']  
X:1
L:1/4
M:2/4
K:D
 F A B c | d/c/d/e/ f a | g f e d | c/d/c/B/ A G | F A B c | d/c/d/e/ f a | g f e/A/B/c/ | 
 d f d2 :: e A/A/ e A/A/ | g f e2 | g f e d | c/d/c/B/ A G | F A B c | d/c/d/e/ f a | 
 g f e/A/B/c/ | d f d2 :|  