question; how does Dave Grohl from the Foo Fighters make the sound at the start of the song 'Generator'? i have seen him live and it looks like he sings into a tube or something? but wasn't sure.

Thanks. G
yeah, if you go on youtube there's loads of demonstrations
GENERATION 10: The first time you see this, copy it into your sig on any forum and add 1 to the generation. Social experiment.