Honest to Bluegrass

Green Mountain Grass

Fri., 4pm, Hill Country stage

This Austin quartet plays "gonzograss," a psychedelic amalgam that brings together the traditional with funk, reggae, and jazz.

Del McCoury Band

Fri., 8:30pm, Hill Country stage

Arguably the foremost bluegrass band in the land, these longtime OSMF veterans bring dazzling musicianship and awe-inspiring heart to the high lonesome sound.

Peter Rowan's Twang an' Groove

Sat., 12:05pm, Hill Country stage; Sat., 9:30pm, Bluebonnet stage

Part-time Central Texan Peter Rowan possesses a legacy that endears him to both the most rabid bluegrass fans and those that enjoy their folk mixed with reggae.

Russell Moore & IIIrd Tyme Out

Sat., 6:20pm, Bluebonnet stage; Sun., 11am, Campground stage

Together for more than 20 years and renowned for their vocal harmonies, IIIrd Tyme Out affectionately mixes the traditional with the contemporary for an award-winning sound.

MilkDrive

Sun., 2:40pm, Campground stage

A leader among Austin's progressive string bands, youthful quartet MilkDrive blends jazz with an acoustic style that's as bracing as it is innovative.