Sammy Hagar

Hagar says he feels that he and Eddie Van Halen are 'not done.'

The 72-year-old rocker speaks.

The latest Lockdown Session with the Circle is a rendition of the 'Let There Be Rock' classic.

New episodes feature Gary Cherone, Def Leppard, Brian May, Joe Walsh, Ted Nugent and others.

George Thorogood and Metallica's James Hetfield also perform during two-hour AXS TV special.

Making 30 stops.

Trio will play outdoor venues across the U.S. this summer.

Hopes for a global Van Halen resurgence ended in Arizona after 80 tense concerts with Sammy Hagar in 2004.

The Red Rocker sacrificed his famous curls for charity.

But not a full tour, he says.