This three-CD box set is the most thorough and valuable retrospective of Janis Joplin's career. Besides including all of her most essential recordings with and without Big Brother & the Holding Company, this 49-song package features quite a few enticing rarities; 18 of the tracks were previously unissued. These include a 1962 home recording of the Joplin original "What Good Can Drinkin' Do," which marked the first time her singing was captured on tape; a pair of acoustic blues tunes from 1965 with backup guitar by future Jefferson Airplane star Jorma Kaukonen, an acoustic demo of "Me and Bobby McGee," a 1970 birthday song for John Lennon, and live performances from her appearance on The Ed Sullivan Show in 1969. The real showstopper is the previously unissued, eight-minute version of "Ball and Chain" from Big Brother's first set at the 1967 Monterey Pop Festival (the cut on the Monterey Pop box set is from their second set). The more forgettable tracks from her solo albums are wisely excised, as are the Big Brother songs which did not feature her vocals. This is the rare multi-disc set of a major artist that manages to cover all the official milestones and present a bounty of worthwhile rarities at the same time.