My hall of fame

The Rainbow (with Dio and Ritchie)

Dio (alone)

AC/DC (with Bon Scott)

Aerosmith

Deep Purple

Led Zeppelin

Nazareth (the band, not the city)

Metallica (especially their early works)

Iron Maiden (when in the right mood - me, not them)

Manowar (a bit of epics in our lives)

Dream Theater

Maybe not hard but definitely rock:

The Doors

Ten years after

Janis Joplin

Pavlov's dog

Steppenwolf

Jethro Tull

Queen

Eric Clapton

Santana

Steve Miller Band

The Rolling Stones (no list is complete wihtout them)

Random picks:

Eagles

The Styx

Mamas and Papas (arrugadas, by now)

Lynyrd Skynyrd

Pink Floyd