Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:2/4
K:F
['fdeg fd', 'FG AB/c/ dc']  
X:1
L:1/8
M:2/4
K:F
|: fdeg | fd A2 | fdeg | fd G2 | fdeg | fd A2 | fdeg | fd G2 :: FG AB/c/ | dc A2 | FG AB/c/ | 
 dc G2 | FG AB/c/ | dc A2 | FG AB/c/ | dc G2 :|  