I had both of these cuts on a pink vinyl bootleg for years.
GET THEM NOW.
They are essential, true tablets of psychedelic revelation. The Floyd performed like this all the time, back in the day; this is the *only* semi-authorized live document from their eariest incarnation available, anywhere. Genius? Madness? Cacophony? These recordings "Boldly go where no man has gone before", although Hawkwind charted and mapped this territory a couple years later, the Floyd were the first to explore the Final Frontier.
This music will disassemble in your brain like a Rubic's Cube. It illustrates why the Floyd caught everyone's attention in the U.K. in the *first place*. Melts in your mind, not in your hand.
This set, with the CDR, is definitive. If you don't have the videotape "Live In London" (and very few people do) this is the only format available to view this footage, and it's SEMINAL stuff; get this, the Pink Floyd Singles CD, the mono rerelease of Piper at the Gates of Dawn, and *marvel* at the clarity of vision (ethnogenically induced though it be) of these visionary young men, and wonder: "What the hell happened?"