Jackson Browne made a surprise guest appearance on Wednesday, January 11, 2005 at a Tsunami Benefit Concert at Kulak's Woodshed in North Hollywood, CA. Among those on the bill were Wendy Waldman, Mark Goldenberg, Alan O'Day, James Lee Stanley, Freebo, Laurence Juber, Lowen & Navarro, and Ronny Cox. The concert was webcasted.
Here are some photos of Jackson's performance that night. (Descriptions below.)

Photo Captions for the above photos:
1. Top Left - Jackson at the piano
2. Top Center - Jackson and Mark Goldenberg on guitars
3. Top Right - Jackson & Severin Browne wait to go on
4. Middle Left - Jam Session
5. Center - Jackson, Severin & Mark
6. Middle Right - Jackson & Severin
7. Bottom Left - Jackson up close
8. Bottom Center - Jackson on guitar
9. Bottom RIght - Jackson & Severin on guitars
Here's another photo of Jackson and his brother, Severin, from the same evening.

For anyone intersted, here's the line-up of artists for the evening:
6:30 Wendy Waldman
6:40 Garret Swayne
6:50 Kiki Wow (host)
7:00 Alan O'Day
7:10 Mark Goldenberg
7:20 Jeff Kossack
7:30 James Lee Stanley
7:40 Lisa O'Kane/M. Fossan
7:50 Lily Wilson
8:00 Steve Dorff
8:10 Zachary Provost
8:20 Kiki Ebsen
8:30 Nicole Gordon/J. Rounds
8:40 Jimmy Muffin
8:50 Matthew Lee
9:00 Lisa Turner
9:10 Bob Malone
9:20 Jack Tempchin
9:30 Freebo
9:40 Laurence Juber
9:50 Lowen and Navarro
10:00 David Zasloff
10:10 Severin Browne & James Coberly Smith
10:20 Jackson Browne (Surpise Special Guest)
11:10 Ronny Cox
11:20 Tollak (of Ambrosia)