Collaborations including Bob Weir joining Lukas Nelson for an unforgettable version of Willie Nelson’s “Blue Eyes Crying in the Rain”; an unamplified, in-the-dark, Dan “Lebo” Lebowitz/Elliott Peck-led version of Blind Faith’s “Can’t Find My Way Home” during a power outage; and a unique closing musical sequence highlighted the eight annual benefit on November 23 for Music Heals International (MHI).