David Coverdale

"The Ox and Chris, they were just breathtaking players," singer tells UCR.

Two-CD/Blu-ray set also features 'Stormbringer' demos, alternate track mixes, song-by-song commentary and more.

"Truthfully, I simply don't want to do anything at this time in my life that will open the door to regret," Whitesnake leader explains.

"It's such a game-changing, life-changing thing," he reflects on his 1973 debut with legendary band.

"It breaks my heart not to do it," says Whitesnake frontman.