50th Birthday Celebration Volume 4

50th Birthday Celebration Volume 4 is a live album by Electric Masada documenting their performance at Tonic in September 2003 as part of John Zorn's month-long 50th Birthday Celebration.

Reception
The AllMusic review by Sean Westergaard states "This is a fantastic ensemble, with lots of time spent playing together, and Zorn knows how get the best out of them. Fans of the Masada series will not be disappointed. Excellent."

Personnel

 * Cyro Baptista – percussion
 * Joey Baron – drums
 * Trevor Dunn – bass
 * Ikue Mori – laptop electronics
 * Marc Ribot – guitar
 * Jamie Saft– keyboards
 * Kenny Wollesen – drums
 * John Zorn – alto saxophone