Mountain Jam has revealed that Amy Helm and Marco Benevento will be making guest appearances at the festival this weekend. Helm will sing a few songs with Connor Kennedy during his set on the West Stage this Saturday (Kennedy joined Helm for her set at last year’s Mountain Jam), while Benevento will perform with Anders Osborne’s Sunday afternoon set on the East Stage.

Mountain Jam kicks off today in Hunter, NY. As previously reported, the festival is set to feature the Allman Brothers Band, Bob Weir & RatDog, Gov’t Mule. Pretty Lights, The Avett Brothers, Tedeschi Trucks Band, Michael Franti & Spearhead, Jeff Tweedy, Umphrey’s McGee, Chris Robinson Brotherhood and more.