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:6/8
K:Dmix
['Add eag fdd', 'dfa dfa']  
X:1
L:1/8
M:6/8
K:Dmix
 G | FDD EFG | Add eag | fdd edd | GFG E2 A/G/ | FDD cAG | Add eag | fdd cAG | Add d2 :| A | 
 dfa dfa | dfa agf | efg efg | faf gfe | dfd gfg | abg efg | fed cAG | Add d2 :|  