Play 'em loud, you mothers!
BURN - KALININGRAD, RUSSIA
S
SIA
MISTREATED - KALININGRAD
Mistreated, Fireball - BridgeHouse II
Black Night at Riga Music Bar
or you might like a drop of Mistreated from The Rayners, Harrow (R.I.P.)
Other clips can be found on YouTube, though they don't make it easy for you - do a search for Deeply Purple and you'll get the real Deep Purple, which is all very flattering but not very helpful - click below, and keep your fingers crossed :)