Ok so forgot the name of the song but no the tune go here and tap the tune using the space key and it will guess the song your tapping.... it actuly works. http://www.songtapper.com/s/tappingmain.bin?dotap=1
It didn't get Iron Man but got Smoke on the Water. EDIT: Just tried again and Iron Man came up first. By george, I think he's got it:
it doesn't really work, tried sum41 5 times, entered the song and then treid 5 times again..... nothing
Tapped Umbrella -- Rihanna Plus one for this site! Then tapped Remember the Name -- Fort Minor Fail on that one. Then tapped Mario 2/3!