Personnel: Gram Parsons (vocals, guitar, piano); Chris Hillman (vocals, guitar); Sneaky Pete Kleinow (pedal steel guitar); Chris Ethridge (bass guitar); Michael Clarke (drums); Flying Burrito Brothers. At the time of this incredible two-disc set's release in 2007, the Gram Parsons rarities well had run so dry that Amoeba Records co-founder Dave Pinz had to nose around another band's vaults (the notoriously deep archives of the Grateful Dead) for these Flying Burrito Brothers tapes. The material-