High Sierra has made another competitive round of additions to its 2008 lineup. The latest acts to sign on include Gov’t Mule, Built To Spill, Robben Ford, Critters Buggin, The Slip, Nathan Moore, MarchFourth Marching Band, Bassnectar, Blue Turtle Seduction, Scott Amendola Band, Groovesect with James Brown trombonist Fred Wesley, BLVD and MC Souleye, The Weather Underground, the everybodyfields and Cornmeal. These artists join an already stacked lineup led by Bob Weir & RatDog, Michael Franti and Spearhead, Mike Gordon, Railroad Earth, The Abigail Washburn & The Sparrow Quartet featuring Bela Fleck, James Hunter, Ivan Neville’s Dumpstaphunk and the Charlie Hunter Trio. As previously reported, High Sierra will return to Quincy, CA from July 3-6, 2008.