For a Drumeo YouTube challenge, Portnoy attempted to learn Tool's 'Pneuma' in one day
It was part of frontman Maynard James Keenan's 60th birthday celebrations
He will play his first run of shows with the band since 2011, before joining back up with Foo Fighters
Tyson began his training programme at the singer’s martial arts centre in Arizona
The band enforce a strict "no phones" policy at their live shows
He also revealed they have already begun writing material for a new LP
The band have just embarked on their US Arena tour
The singer has been training in the martial art since the 1990s
"We're free agents now. We aren't signed to a label anymore. We are free to do whatever we want"
The guitarist performed Tool's 'Jambi' with a snippet of Rush's 'A Passage To Bangkok'