crazy. Im not sure i believe it really.
I don't dount that something similar to what he's doing is possible, but I do doubt him doing that!
Unless the video totally fell out of synch and his microphone was attached to his sleeve or something as the noises got neither louder nor quieter
when he moved his up and down...
Or am I just being too pescimistic?
Steve
No idea, but its rather interesting none the less.
Crazy or what, who'd buy a settee that colour
Reminds me of a week last summer when swmbo went on holiday and left me in peace in the garage. I didn't want to waste valuable building time by
cooking for myself so I lived on curry and pizza takeaways for the week. 
Wonderful glissando!