(L-R) Ann McCrary, Deborah McCrary, Regina McCrary and Alfreda McCrary of The McCrary Sisters perform onstage during the 2019 Country Music Hall of Fame Medallion Ceremony at Country Music Hall of Fame and Museum on October 20, 2019 in Nashville, Tennessee. (Photo by Terry Wyatt/Getty Images for Country Music Hall of Fame and Museum)

NEW ORLEANS, LA - APRIL 26: Dr. John (C) joins Ann McCrary, Alfreda McCrary, Regina McCrary and Deborah McCrary of The McCrary Sisters backstage during the 2013 New Orleans Jazz & Heritage Music Festival presented by Shell at Fair Grounds Race Course on April 26, 2013 in New Orleans, Louisiana. (Photo by Rick Diamond/Getty Images)

ATLANTA, GA - NOVEMBER 12: (EXCLUSIVE COVERAGE) Ann McCrary and Alfreda McCrary of the McCrary Sisters, Robert Randolph, and Regina McCrary of the McCrary Sisters attend 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 Rick Diamond/LSBB14/Getty Images for Blackbird Productions)

ATLANTA, GA - JANUARY 09: (EXCLUSIVE COVERAGE) (L-R) Susan Tedeschi, Rami Jaffee, Alfreda McCrary of the McCrary Sisters, Derek Trucks, Regina McCrary of the McCrary Sisters, Robert Randolph, and Ann McCrary of the McCrary sisters pose at rehearsals for All My Friends: Celebrating the Songs & Voice of Gregg Allman at The Fox Theatre on January 9, 2014 in Atlanta, Georgia. (Photo by Rick Diamond/GABB14/Getty Images for Blackbird Productions)

(L-R) Ann McCrary, Deborah McCrary, Regina McCrary and Alfreda McCrary of The McCrary Sisters and Reba McEntire (C) perform onstage during the 2019 Country Music Hall of Fame Medallion Ceremony at Country Music Hall of Fame and Museum on October 20, 2019 in Nashville, Tennessee. (Photo by Terry Wyatt/Getty Images for Country Music Hall of Fame and Museum)

(L-R) Musicians Ann McCrary, Deborah McCrary, Regina McCrary and Alfreda McCrary of the McCrary Sisters perform on stage at Hardly Strictly Bluegrass festival at Golden Gate Park on October 4, 2014 in San Francisco, California. (Photo by Scott Dudelson/FilmMagic)

ATLANTA, GA - NOVEMBER 12: (EXCLUSIVE COVERAGE) Deborah McCrary and Ann McCrary of the McCrary Sisters, Gregg Allman, Don Was, and Regina McCrary of the McCrary Sisters attend 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 Rick Diamond/LSBB14/Getty Images for Blackbird Productions)

(L-R) Phil Hanseroth, Alfreda McCrary, Ann McCrary, Regina McCrary and Deborah McCrary of The McCrary Sisters and Tim Hanseroth seen backstage during the 2019 Americana Honors & Awards at Ryman Auditorium on September 11, 2019 in Nashville, Tennessee. (Photo by Erika Goldring/Getty Images for Americana Music Association)

Chris Stapleton (L) and Alfreda McCrary, Regina McCrary, Deborah McCrary, and Ann McCrary of The McCrary Sisters perform onstage during Skyville Live Presents a Tribute to Jerry Lee Lewis on August 24, 2017 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Skyville)

Buddy Guy and Deborah McCrary of the McCrary Sisters take photos backstage during the 2018 Americana Music Honors and Awards at Ryman Auditorium on September 12, 2018 in Nashville, Tennessee. (Photo by Jason Kempin/Getty Images for Americana Music Association)

(L-R) Ann McCrary, Alfreda McCrary, Regina McCrary and Deborah McCrary of The McCrary Sisters along with Buddy Miller attend the McCrary Sisters performance at Grimey's on March 11, 2015 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images)

Dr. John (R) & Wayne Toups (3rd from left) join Regina McCrary, Ann McCrary, Alfreda McCrary and Deborah McCrary of The McCrary Sisters backstage during the 2013 New Orleans Jazz & Heritage Music Festival presented by Shell at Fair Grounds Race Course on April 26, 2013 in New Orleans, Louisiana. (Photo by Rick Diamond/Getty Images)

(L-R) Ann McCrary, Alfreda McCrary of The McCrary Sisters, K.D. Lang, Regina McCrary, Deborah McCrary of The McCrary Sisters and Lukas Nelson take photos backstage during the 2018 Americana Music Honors and Awards at Ryman Auditorium on September 12, 2018 in Nashville, Tennessee. (Photo by Jason Kempin/Getty Images for Americana Music Association)

Recording Artists Ann McCrary, Deborah McCrary, Regina McCrary, Alfreda McCrary of the McCrary Sisters are joined by Singer/Songwriter Buddy Miller at Thirty Tigers Gospel Brunch during the 15th Annual Americana Music Festival & Conference - Day 5 at City Winery on September 21, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Americana Music)

Ann McCrary and Alfreda McCrary of the McCrary Sistes, William Bell, and Deborah McCrary and Regina McCrary of the McCrary Sisters attend the Americana Honors & Awards 2016 at Ryman Auditorium on September 21, 2016 in Nashville, Tennessee. (Photo by Terry Wyatt/Getty Images for Americana Music)

Regina McCrary and Ann McCrary, Americana Music Association Executive Director Jed Hilly, and Deborah McCrary and Alfreda McCrary of the McCrary Sisters attend the 14th annual Americana Music Association Honors and Awards Show at the Ryman Auditorium on September 16, 2015 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Americana Music)

Deborah McCrary and Ann McCrary of the McCrary Sisters, Gregg Allman, Don Was, and Regina McCrary of the McCrary Sisters attend 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 Rick Diamond/LSBB14/Getty Images for Blackbird Productions)

Nashville's Connie Britton(C) and Recording Artists Alfreda McCrary, Ann McCrary, Deborah McCrary and Regina McCrary of The McCrary Sisters attend The African Children's Choir 30th Anniversary at 3rd and Lindsley on March 22, 2015 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images)

(L-R) Alfreda McCrary, Regina McCrary of The McCrary Sisters, Tanya Blount and Michael Trotter Jr. of The War and Treaty Ann McCrary and Deborah McCrary of The McCrary Sisters seen backstage during the 2019 Americana Honors & Awards at Ryman Auditorium on September 11, 2019 in Nashville, Tennessee. (Photo by Erika Goldring/Getty Images for Americana Music Association)

Ann McCrary, Deborah McCrary, Regina McCrary and Alfreda McCrary of The McCrary Sisters during Easter Brunch With The McCrary Sisters at Country Music Hall of Fame and Museum on March 27, 2016 in Nashville, Tennessee. (Photo by Terry Wyatt/Getty Images for CMHOF)

(L-R Standing) Recording Artists Ann McCrary, Alfreda McCrary and Regina McCrary of the McCrary sisters (L-R Seated) Deborah McCrary of the McCrary Sisters, Producer Buddy Miller, Glenda Edwards, Thirty Tiger's David Macias and Americana Music Association's Jed Hilly attend The McCrary Sisters Soul Food CD Release Feast on March 10, 2015 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images)

(L-R) Randy Travis, Regina McCrary of The McCrary Sisters and Mary Travis attend the 2019 Country Music Hall of Fame Medallion Ceremony at Country Music Hall of Fame and Museum on October 20, 2019 in Nashville, Tennessee. (Photo by Terry Wyatt/Getty Images for Country Music Hall of Fame and Museum)

Singer/Songwriter Mike Farris, Ann McCrary, Regina McCrary and Alfreda Lee-McCrary of The McCrary Sisters perform in a gospel throw down at the Station Inn on September 13, 2009 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)