ATLANTA, GA - NOVEMBER 12: Rickey Medlocke and Michael Cartellone of Lynyrd Skynyrd perform onstage at One More For The Fans! - Celebrating the Songs & Music of Lynyrd Skynyrd at The Fox Theatre on November 12, 2014 in Atlanta, Georgia. (Photo by Mike Coppola/Getty Images for Blackbird Productions)

LAS VEGAS, NV - SEPTEMBER 22: (EDITORIAL USE ONLY; NO COMMERCIAL USE) (L-R) Mark Matejka, Rickey Medlocke, Michael Cartellone, and Gary Rossington of Lynyrd Skynyrd perform onstage during the 2018 iHeartRadio Music Festival at T-Mobile Arena on September 22, 2018 in Las Vegas, Nevada. (Photo by Kevin Winter/Getty Images for iHeartMedia)

HOLLYWOOD - MAY 25: American Idol Finalist Bo Bice (with microphone) performs with the band Lynyrd Skynyrd onstage the American Idol Finale: Results Show held at the Kodak Theatre on May 25, 2005 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

INDIO, CA - APRIL 25: Musicians Dusty Hill (L) and Billy Gibbons of ZZ Top perform onstage during day two of 2015 Stagecoach, California's Country Music Festival, at The Empire Polo Club on April 25, 2015 in Indio, California. (Photo by Frazer Harrison/Getty Images for Stagecoach)

INDIO, CA - APRIL 25: Musicians Dusty Hill (L) and Billy Gibbons of ZZ Top perform onstage during day two of 2015 Stagecoach, California's Country Music Festival, at The Empire Polo Club on April 25, 2015 in Indio, California. (Photo by Frazer Harrison/Getty Images for Stagecoach)

NASHVILLE, TN - JUNE 04: ZZ Top performs onstage at the 2014 CMT Music Awards at Bridgestone Arena on June 4, 2014 in Nashville, Tennessee. (Photo by Michael Loccisano/Getty Images for CMT)

ENTERPRISE, AL - JUNE 16: Uncle Kracker performs at the 2012 BamaJam Music and Arts Festival - Day 3 at BamaJam Farms in Enterprise, Alabama on June 16, 2012 (Photo by Rick Diamond/Getty Images)