Three nights as Hulaween's resident hosts — bluegrass roots stretched through funk, calypso, and full-blown electronica, costumes strongly encouraged.
WinterWonderGrass 2027 Lineup
Bluegrass and string bands under heated tents at the base of Steamboat Resort, three days in early March.
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WinterWonderGrass 2027 lineup: all 26 acts
Star the acts you want now. When set times drop, your schedule is already built.Browse all 26 acts →
Star the acts you want now. When set times drop, your schedule is already built.
Trampled by Turtles
Duluth, Minnesota band playing fast, frenetic folk with bluegrass instruments, with 'Duluth' and 'Palomino' among their best-charting albums.
BoomBox
Electronic duo of brothers Zion Rock Godchaux and Kinsman MacKay, blending house beats, blues, funk and soul with live guitar and drums.
A Broadway-honed Telecaster player pushing honky-tonk into long-form psychedelic territory — country chops with a jam band's appetite for the unknown.
Hayes Carll
Texas songwriter in the Americana tradition, known for plain-spoken, humorous songs such as 'KMAG YOYO' and 'She Left Me for Jesus.'
Montana 'galaxy grass' — bluegrass instrumentation pushed toward psychedelia and volume, jamgrass with actual gravitational pull.
Lindsay Lou
Nashville bluegrass singer and songwriter whose album 'Bluegrass Women' collects classics written by women across the genre's history.
Magoo
Denver band formed in 2022, stretching bluegrass instrumentation into loose, improvisation-heavy sets.
Shadowgrass
Five-piece bluegrass and jam band formed in 2014 by childhood friends, with shared lead vocals and a 2024 album, 'All That Will.'
The Brothers Comatose
San Francisco five-piece band mixing rock energy into bluegrass with three-part harmonies, with albums 'City Painted Gold' and 'Turning Up the Ground.'
The greatest dobro player alive, full stop — fourteen Grammys and counting.
65 North Pickers
Richmond, Kentucky bluegrass and Americana band with original songs collected on the EP 'Green Lights Vol 1.'
Ben Chapman
Southern songwriter who calls his sound country-fried funky-tonk, with the 2025 album 'Feet on Fire' produced by Anderson East.
Broken Compass Bluegrass
Young California band nudging traditional bluegrass somewhere newer — IBMA Momentum winners with chops to spare.
Bronwyn
Virginia fiddler and singer-songwriter in bluegrass and Americana, formerly of Molly Tuttle & Golden Highway, with the 2024 album 'I Built a World.'
DUG
Irish-American folk duo of Lorkin O'Reilly and Jonny Pickett, joining traditional Irish folk with American old-time banjo on 'Have At It!'
Heads All Empty
Grateful Dead cover band with dual drummers, four-part harmonies and long improvisations, drawn from the early Dead sound.
Jay Roemer Band
Colorado acoustic Americana and bluegrass songwriter fronting a band, with haunting lyrics, flatpicked guitar and harmonica.
Johnny Mullenax
Tulsa guitarist and bandleader playing what he calls funky country bluegrass, with a long-running Sunday bluegrass brunch residency.
Liver Down the River
Durango, Colorado jamgrass band weaving bluegrass, funk and rock with improvised passages, formed in 2012.
Pickin' on the Dead ft. Rob Eaton
Silas Herman
Nederland, Colorado multi-instrumentalist leading the progressive bluegrass band The Tone Unit, mixing original songs with jam-band energy.
The Flattops
Tray Wellington
Raleigh, North Carolina banjo player and bandleader pushing bluegrass past genre lines, a 2019 IBMA Momentum Instrumentalist of the Year.
Water Tower
Los Angeles punk-rock bluegrass band that plays traditional bluegrass at breakneck speed and reworks punk songs for banjo and fiddle.
WinterWonderWomen
Collaborative bluegrass ensemble of women musicians led by fiddler Bridget Law, singing vocal-heavy songs and covers from other genres.
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