Jamming with the Merry Minstrel Musical Circus

Among the beneficiaries of the holiday show are Little Kids Rock, a program that puts rock instruments into kids’ hands, and Tazzy Animal Rescue Fund.  (Michael Robinson-Chavez / Los Angeles Times)

The Troubadour’s Merry Minstrel Musical Circus -- which included Jackson Browne, second from left, along with various other musicians -- was the first in what is expected to be an annual holiday tradition.  (Michael Robinson-Chavez / Los Angeles Times)

Bob Weir performed Grateful Dead classics, including “Bertha” and “Dark Star,” during his set.  (Michael Robinson-Chavez / Los Angeles Times)

Mike Campbell, from left, Jonathan Wilson and Jackson Browne jam during a set.  (Michael Robinson-Chavez / Los Angeles Times)

One of the special guests of the night was former ELO/Traveling Wilburys guitarist-singer-producer Jeff Lynne, left.  (Michael Robinson-Chavez / Los Angeles Times)

Jackson Browne sings while Mike Campbell of Tom Petty’s Heartbreakers accompanies him on guitar.  (Michael Robinson-Chavez / Los Angeles Times)