ANSWER:
ok, first of all it's Azure Flute. To get the Azure flute you need to get the mystery gift OR you can cheat the Azure Flute with the action replay. I used the action replay cuz i couldn't get the mystery gift to work after i acquired it.
at the top of the radio you will here the flute.
When you have the poke flute radio you put that circle thing to the top of the radio channel selection guide.
you have to get a white flute
Yes it was the event flute and you are lucky to have it. When Pokemon black and white come out the flute will call a new generation legendary.
Once you get the ESBN card put your dot on the pokegear radio up to the verry top.
in the kanto
There is no channel silver flute, only poke'flute. Top middle line
move the dot to the top, you should find the poke flute channel
it only plays music
you have to get the kanto radio and use the Pokemon flute channel on it
You can't really find the poke flute but its on your radio on your pokegear its a secret channel that you have to go all the way up on to get the station
at the top of the radio you will here the flute.
You can't get the azure flute in Pokemon soulsilver.
When you have the poke flute radio you put that circle thing to the top of the radio channel selection guide.
you have to get a white flute
The white flute makes Pokemon appear more often.
You don't get an actual flute. When you find the missing part in Cerulean City for the Power plant, go to the radio tower in Kanto and the director there will give you a card that lets you play music from Kanto. The Poke flute channel will be on that card.