It depends what version you are playing.
For blue and yellow, and possibly green red and all those colours, you find it when you are making your way through the multi floored poke cemetary. For gold, you give the stolen part found in the water gym to the electric building.
Get the Pokemon flute from Mr.Fiji in Lavender town after you rescue him
you use a blue flute to wake it up.after its awake you battle it.
1.find the poke-flute. 2.get it 3.go to snorlax 4.stand next to it 5.select the poke-flute from the items pocket 6.click use 7.trainer will play the poke-flute 8.snorlax will wake up
You must acquire the pokeflute from Mr. Fuji in the top of the Ghost tower. Once you have the flute you walk up to the sleeping snorlax and hit A on him and you will play the flute and he will wake up and battle you.
you can't get the poke flute on soul silver however you can get it on the poke radio to wake the sleeping snorlax blocking entrance to diglets cave.
You need the Poké Flute in order to wake Snorlax, then you can either KO it, catch it, or run from it. The Poké Flute can be found at the top of Pokémon Tower in Lavender Town.
The radio will be your instrument to wake up the sleeping Snorlax. There's a certain radio station that plays the poke flute. When you face Snorlax, tune in to that station and let the Snorlax hear the flute for it to wake up.
You go to Lavender Town and travel to the top of the Pokemon Cemetery. At the top you will encounter a Marowak. Defeat it and there is a woman who gives you a Poke Flute. With it you go to the sleeping Pokemon and play it. It will wake it up and begin a battle with you.
use the Pokemon flute
By blowing in it
You go to Lavender Town and travel to the top of the Pokemon Cemetery. At the top you will encounter a Marowak. Defeat it and there is a woman who gives you a Poke Flute. With it you go to the sleeping Pokemon and play it. It will wake it up and begin a battle with you.
Play the channel Pokeflute on your gear near him then talk to him. You ge the flute by talking to the old man in the radio tower.