Uncanned! The Best of Canned Heat

The two-CD set, Uncanned! The Best of Canned Heat, crammed with outtakes, unreleased cuts, and curiosities (a 1968 Levi’s ad), is a fairly comprehensive history of the ’60s-’70s band that tried to make blues safe for white people. Unfortunately, Heat’s best moments — hits like ”Going Up the Country” and ”On the Road Again,” choice blues covers, and collaborations with John Lee Hooker and Little Richard — are merely islands scattered across a sea of aimless boogie. C