Sony Legacy released new compilations from Kris Kristofferson and Earl Scruggs on Tuesday (March 2) as part of its Essential series. Both albums include two CDs as well as extensive liner notes and rare photos. Kristofferson's package includes nearly all of his entire debut album, as well as collaborations with Rita Coolidge and Willie Nelson. Scruggs' set features music recorded while working for Bill Monroe, in addition to his years with Flatt & Scruggs. The theme song from The Beverly Hillbillies and performances on the Nitty Gritty Dirt Band's landmark Will the Circle Be Unbroken album are also included.