well first go to your pokegear and go to your ratio and move the thing to the end it will start now go to the sleeping Pokemon (with the song still playing)
and say yes.
use the little circle and go to the top of the radio then you will here the poke flute
In poke platinum you get a black poke flute from Looker the agent
you cant use a poke flute on party pokemon
Heres a big cheat to get the poke flute go to celadon city and buy a poke doll located on floor 4 then go to Pokemon tower then find the ghost that block's the stairs then use the poke doll to flee and go upstairs and beat the rockets then get the poke flute.
Use the Poke Flute
You can find the Poke Flute in the Pokemon Tower. After you free Mr. Fuji, he will give you the Poke Flute.
you can use it to awaken your pokemon in battle
You go to snorlax and use the poke flute and you battle him (poke flute is on the raido at very top of map
It should be on your Pokegear.
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.
i think its called the poke flute. it wakes up snorlax and you get to catch him.and to get the poke flute you have to go to the gamecorner in celadon city get the lift key. then you have to go in teamrockets hideout and beat the boss. when your done go to the Pokemon tower and get to the top where mr fuji is. and he will take you to his house. talk to him and he will give you the poke flute. go to snorelax and use the poke flute. and you can catch him but if you accidently make him faint there is one more that is sleeping. use the poke flute as well and he will wake up and you can try to catch him again.
Press the down-c button