Margo Price performs at Golden Gate Park during Outside Lands on Aug. 10, 2018. Price was announced as one of the initial performers at Hardly Strictly Bluegrass in 2019. Photo: Joaquin Cabello.

Updated Aug. 15, 2019: The fourth round of lineup announcements for the Hardly Strictly Bluegrass festival in Golden Gate Park was made today and included  a wide array of artists, from folk-country balladeer Caitlin Canty to San Francisco alt-rockers Chuck Prophet & The Mission Express, singer-songwriter Bedouine, Bay-area legends Hot Tuna, The Infamous Stringdusters bluegrass band, the Kronos Quartet playing the music of Pete Seeger with guests Brian Carpenter, Lee Knight, Meklit, Aoife O’Donovan and San Francisco Girls Chorus; The Long Ryders, Hiss Golden Messenger, Poor Man’s Whiskey, and Tank & The Bangas.

The Milk Carton Kids, the collaboration of Calexico and Iron & Wine, the Meat Puppets, Margo Price, Steve Earle and folk-rockers The Waterboys were announced on Thursday as part of the initial lineup at the annual Hardly Strictly Bluegrass Festival, held in San Francisco on Oct. 4 to 6.

Other artists include Ukraine folk-music group Dakhabrakha, singer-songwriter Hayes Carll, Jackie Greene and Bettye LaVette.

The lineup announcement coincides with what would have been the 85th birthday of Hardly Strictly Bluegrass founder Warren Hellman, who created the free-of-charge festival in 2001.

The second round of lineup announcements for Hardly Strictly Bluegrass 2019 included Dry Branch Fire Squad, Tanya Tucker, Swedish singer-songwriter Daniel Norgren, the grouping of Buddy Miller and Dirk Powell with Stuart Duncan, John Craigie, Bay Area string band Hot Buttered Rum, Tuareg artist Mdou Moctar, Austin soul and funk band Black Joe Lewis & the Honeybears, mandolin player Sierra Hull and Nikki Lane.

The third round included Robert Plant, Americana icon Emmylou Harris, folk duo Mandolin Orange, Mariachi band Flor De Toloache, Oakland rockers Whiskerman, alt-rock band Kurt Vile & The Violators, Mary Gauthier, soulful band Pimps of Joytime, Angelenos The Wild Reeds and country artist Yola.

Several of the performers at this year’s festival will also play special Hardly Strictly Out of the Park shows, in which $1 per ticket will benefit Music in the Schools Today.

Additional performers for both the festival and the “Out of the Park” shows will be announced in the coming weeks.

Hardly Strictly Bluegrass takes place within Golden Gate Park in Hellman Hollow, Lindley Meadow and Marx Meadow. All meadows open to the public at 10 a.m., with music starting at noon on Friday and 11 a.m. on Saturday and Sunday. For more information, visit the festival’s website.