WATCH: Tool and Metallica pay tribute to late Rush drummer Neil Peart

Thousands of tributes have flooded in for legendary Rush stickman, Neil Peart, who who died earlier this week after a 3 year battle with brain cancer - with two of the biggest coming from rock heavyweights Tool and Metallica.

Metallica shared a live cover of Rush's "Tom Sawyer" to honour the late drummer, posting a video of them performing Rush's 'Tom Sawyer' to social media, with the caption "Rest In Peace, Neil...".

Tool also paid tribute to Peart, sharing a video of drummer Danny Carey jumping behind the kit to honour him.

Metallica drummer Lars Urlich posted his own tribute to his own Instagram.

The post read: