Complete the Power Plant side quest (go fix it - requires you to head to cearuelen, and etc) and then after that is done - head to Lavender Town's radio tower. The guard at the staircase will give you an EXPN card that allows you to use your radio in Kanto.
The Pokeflute channel is towards the top of the "radio globe" and towards the middle.
put your radio music all the way to the top and it will say poke flute in your pokegear your welcome
You have to wake up Snorlax using the poke flute music on your radio and enter diglett's cave.
The station is located near the top of the Radio Tuner.
you hear it on the radio near a snorlaxIf by flute you mean the Arceus flute nthen you have to get an event to receive itYou go to the Radio Tower in Lavender Town a man gives you an EXPN card. You move the little dot up and you hear Pokeflute music.
After you give the machine part to the manager in the power plant go to the Kanto Radio Tower in Lavender Town and talk to the man next to the police cop and after that look in the middle-top of your radio in your pokegear and since the poke flute does not exist in Pokemon Soul Silver you can listen to the poke flute on your radio
to use the flute in heart gold you must have a radio go near a snorelax and use the styalus to find the station that the poke flute is on you can not use it in jahoto though but in kanto you can.
at the top of the radio you will here the flute.
You need to go to the kanto radio tower and talk to the guy in the hat. He will upgrade your radio so you can use the poke flute channel. Play the channel to snorlax to battle him.
there is no pokeflute in heart gold. to wake up snorlax use the pokeflute channel on the radio
on your radio, move the dot to the top of the circle. this is the pokeflute channel.
you have to get the kanto radio and use the Pokemon flute channel on it
u don't. get the kanto radio card and go to the top part of the speaker. hopes this helps!