go to a event
there isn't pokeflute in Pokemon pearl or diamond
pokeflute
By cheating
not without cheating
I'm pretty sure you can't find any flutes in Pokemon Pearl.
cheating
to get Manaphy without cheating, you have to have Pokemon Ranger, beat a certain mission, and then somehow transfer the Manaphy egg to Diamond or Pearl.
Only by cheating or hacking.
Not without cheating, you can't.
You can't without cheating.
You can't without cheating
Not in that Game, it isn't there, not even cheating.