Heavy Metal Marching Band Perform "Final Countdown", "Ace Of Spades" and "Enter Sandman"

Marvellous. Try and watch this without smiling, it's Blaas Of Glory performing The Final Countdown at Sonisphere in 2009.

They also do Motorhead's 'Ace Of Spades'

Metallica's 'Enter Sandman'

And just for Wookiee, Bon Jovi's 'Living On A Prayer'

Found on b3ta.com