Even un-amplified, the guitar truly speaks in a lively resonant voice, as I learned sitting outside the back door of the Cox Capital Theater in the quiet of the Georgia night with Willie Perkins by my side: Any Duane fan would have recognized that guitar in the dark! It had the same tonal character in that Macon alleyway that it has on all of those famous recordings.

The new video below offers Duane Allman fans a sneak peak at the new seven-disc Skydog: The Duane Allman Retrospective Box Set. The set, which will be released March 5 on Rounder Records, includes rare recordings by Allman's early bands, including the Escorts, Allman Joys, the 31st of February and the Bleus.

The Slide Brothers, standard bearers of the sacred steel tradition, will release their first studio album, Robert Randolph Presents: The Slide Brothers, Tuesday, February 19, on Concord Records. GuitarWorld.com presents the exclusive premiere of "Motherless Children," a track off the new album, via the SoundCloud player below.

On March 5, Rounder Records will release Skydog: The Duane Allman Retrospective, a deluxe, seven-disc box set. The set, which will sell for $139.98, contains Allman's best-known and most commercially successful recordings with the Allman Brothers Band and Derek and the Dominos, plus session work with Aretha Franklin, Wilson Pickett, Boz Scaggs, Clarence Carter, King Curtis, Delaney & Bonnie & Friends, Arthur Conley, John Hammond, Doris Duke, Eric Quincy Tate, Herbie Mann and others.